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US3456966A - Profile rail connection - Google Patents

Profile rail connection Download PDF

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US3456966A
US3456966A US610534A US3456966DA US3456966A US 3456966 A US3456966 A US 3456966A US 610534 A US610534 A US 610534A US 3456966D A US3456966D A US 3456966DA US 3456966 A US3456966 A US 3456966A
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profile rail
holding claw
members
another
profile
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US610534A
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Hermann Muller
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
    • E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
    • B62D33/044—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains built up with profiles of constant elongated shape, e.g. extruded, mechanically interconnected by coupling members, e.g. by clamping, riveting or bolting
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
    • E04B2/78—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips
    • E04B2/7809—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of single or multiple tubular form
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
    • E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
    • E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
    • E06B3/9687—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members with screws blocking the connecting piece inside or on the frame member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/28—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts
    • F16B12/32—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts using clamps, clips, wedges, sliding bolts, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/40—Joints for furniture tubing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
    • F16B7/0446—Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof
    • F16B7/0453—Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof the tubes being drawn towards each other
    • F16B7/046—Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof the tubes being drawn towards each other by rotating an eccenter-mechanism
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
    • E04B2001/5856—Connections for building structures in general of bar-shaped building elements with a closed cross-section using the innerside thereof

Definitions

  • PROFILE RAIL CONNEbTION Filed Jan. 20, 1967 2 Sheets-Sheet l INVENTOR HEK/Vfil/A/ MJZLER BY wai /l y luniq CMQOIIMIZYK July 223, 1969 H. MULLER PROFILE RAIL CONNECTION 2 Sheets-Sheet 2 Filed Jan. 20, 1967 Ill/l III United States Patent US. Cl. 287189.36 9 Claims ABSTRACT OF THE DISCLOSURE Profile rail connection arrangement for interconnecting at least two profile rail members with one another which extend substantially transversely to one another.
  • One of the rail members carries at one end bearing against the other rail member a pair of holding means, for instance in the form of claw members, intended to engage with appropriate longitudinally extending ribs or shoulders at the other rail member against which abuts said end of said one rail member.
  • Mechanism cooperates with the claw members for elastically deforming the one rail member carrying said claw members to enable said claw members to detachably fixedly engage with or be released from said longitudinally extending ribs or shoulders of the other rail member.
  • the present invention relates to an improved profile rail connection means wherein the profile rail members to be interconnected are disposed substantially transverse to one another and preferably possess at least a substantially cross-shaped cross-sectional configuration.
  • the invention contemplates that the profile members can be releasably interconnected quite simply and quickly in order to be able to form the most varied types of structural units, such as for instance display stands, exhibition rooms, loading or storage structures, book cases, shelves, partition walls, scaffolds, frame works, and so forth, only to mention a few.
  • a primary object of the present invention is to provide means which are as simple as possible for the reliable connection of profile rail members which are disposed substantially transverse to one another.
  • Another, more specific object of the present invention deals with an improved profile rail connection means for the quick, reliable, easy interconnection of at least two profile rail members with one another which are disposed substantially transverse to one another.
  • Still another noteworthy object of this invention is directed to improved mechanism for interconnecting profile rail members with one another in a reliable and quick manner, in order to provide a positive and secure interconnection between such profile rail members, yet also enabling rapid and easy disassembly or detachment of such profile rail members from one another.
  • Another important object of the present invention deals with the provision of improved means for interconnecting profile rail members with one another in order to form the most varied type of different structural units, and where the connecting means are not only simple in construction and relatively inexpensive to manufacture, but further, provide an absolutely secure and positive releasable connection between the profile rail members when the latter are to be assembled, yet also enables disassembly of these profile rail members in an equally easy and rapid manner.
  • the present invention is manifested by the features that the profile members externally exhibit 3,456,966 Patented July 22, 1969 longitudinally extending portions, preferably in the form of longitudinal ribs or shoulders, and two holding claw means are provided at the end of one of said profile rail members which bear against one of the other profile rail members. Furthermore, connecting means for instance in the form of a screw or eccentric connection are provided and by means of which an elastic deformation of the profile rail member carrying the claw means can be brought about, so that the claw means can selectively engage behind or cause to release from engagement with the longitudinally extending portions of the other profile rail member.
  • FIGURE 1 is a fragmentary, perspective View illustrating the connection between two profile rail members
  • FIGURE 2 is a fragmentary, perspective view of a profile rail member with inserted holding claw means or the like;
  • FIGURE 3 is a perspective view depicting details of the holding claw means shown in FIGURE 2;
  • FIGURE 4 is a modified form of holding claw means, also shown in perspective view;
  • FIGURE 5 is a perspective view showing details of the eccentric means used with the holding claw means shown in FIGURE 4;
  • FIGURE 6 is a perspective view showing details of a possible form of small cover plate which can be used with the arrangement of FIGURE 1;
  • FIGURE 7 is a cross-sectional view of a different form of profile rail member
  • FIGURE 8 is a cross-sectional view of a further form of profile rail member
  • FIGURE 9 is a cross-sectional view of still a further form of profile rail member.
  • FIGURE 10 is a cross-sectional view of a profile rail member formed of two parts or components.
  • both of the hollow profile rail members 1, 2 thereof have the same, cross-like cross-sectional configuration and are preferably formed of aluminum of an aluminum alloy or steel.
  • the profile of these rail members 1 and 2 is closed, as shown, and the material is resilient within certain limits.
  • Each of these profile rail members 1 and 2 possesses four flat surfaces 3, each of which is at about right angles to one another. Between each two of these neighboring fiat surfaces 3 there is located a longitudinal groove 4 which also extends in the lengthwise direction of the associated rail member 1 or 2.
  • These profile rail members 1 and 2 are hollow, as already explained, and further, include a shoulder means 5 at the inside near each leg memher 5a. As a result, there is formed an appropriate hollow compartment 6 which is suitable for the insertion of holding claw means 7.
  • Such holding claw means 7 is comprised of a respective pair of elongate metallic members 7a, each preferably having a substantially rectangular cross-sectional form and preferably hardened. These two metal members 7a in the form of claws are operably interconnected with one another by means of a threaded connection, such as the screw means 8.
  • This screw means 8 is disposed about at the central region of the holding claw means 7 and has a head portion 9 equipped with an internal hexagonal recess or opening 9a. This head portion 9 is sunk or fitted into one of the holding claw members 7a, so that the front face of said head portion 9 extends approximately flush to the outer surface of the aforesaid holding claw member 7a.
  • a pressure spring means 10 is disposed between both of the holding claw members 7a of the holding claw means 7, and this pressure spring means 10 tends to spread both of the holding claw members 7a from one another. Further, both of these holding claw members 7a of the holding claw means 7 are deeply pushed into the one end of the profile rail member 2, and specifically, to such an extent that the forward beveled or inclined portion 11 of each of these holding claw members 7a still projects out of the aforesaid profile rail member 2. Moreover, in such profile rail member 2 there is provided a hole or opening 12, or equivalent structure, at one location which coincides with the hexagonal opening 9a of the head portion 9, so that by inserting into said hexagonal opening 9a a suitable hexagonal key or tool the screw means 8 can be rotated from the outside. Consequently, depending upon the direction of rotation of such screw means 8 both of the holding claw members 7a are either spread away from one another or drawn together, with simultaneous elastic deformation of the leg ends of the profile rail member 2.
  • a spacer or distancing element 26 is seated upon the shaft of the screw means 8 and against which spacer element the inner surfaces 27 come to bear.
  • the holder claw members 7a are spread away from one another it is possible to engage behind the protruding longitudinally extending portions 14, preferably in the form of lengthwise ribs or shoulders, of the other rail member 1, by means of the inwardly directed projecting portions 13 of each of the holding claw members 7a of the holding claw means.
  • each of the holding claw members 7a of the holding claw means 7 is provided with an inclined surface 15.
  • Each such inclined surface 15 preferably extends at an angle of about 45 to the longitudinal axis of the associated profile rail member in which such holder or holding claw means 7 is mounted. Consequently, and as best seen by inspecting FIGURE 8, it is possible to arrange a number of profile rail members at the same elevation with the aid of the inserted holding claw means 7, without these holding claw means 7 interfering with one another.
  • the individual holder or holding claw members 7a can be interconnected with one another through the agency of tongue means or flaps 18 and eccentric means 19 in lieu of the screw means 8 of the embodiment of FIGURE 3.
  • the access opening for the head portion of the screw is applied at one side of the rail member which is displaced through about as shown, relative to the embodiment of FIGURE 3.
  • the tongues or flaps 18 engage behind a shoulder means 21 of the holding claw members 7a of the holding claw means or unit 7.
  • Details of the eccentric means 19 are depicted in FIGURE 5 and such eccentric mean is seen to comprise two eccentrically mounted discs.
  • tongues or flaps 18 would be attached to each of the eccentrically mounted discs as shown in FIGURE 4. As should be apparent, by rotating the eccentric means or coupling 19, the tongues or flaps 18 attached thereto will be relatively displaced causing displacement of the holding claw members 7a towards or away from one another with simultaneous elastic deformation of the leg ends of the profile member 2 in which the claw members are inserted.
  • the construction of the profile rail member or members is not limited to the physical construction of profile rail member depicted in the embodiment of FIGURES 1 and 2, rather the girders or side faces of the substantially crossshaped profile rail members could also be of dissimilar or unequal length, as such has been depicted by the profile rail member 28 of the embodiment of FIGURE 7.
  • the parallel girders or side faces 28a are of different length than the other pair of parallel side faces 28b.
  • both of the central webs 20 are continuous, in other words extend from one parallel side face 20a up to the opposite parallel side face 20b.
  • profile rail member 21 shown in FIGURE 8, it can be advantageous to construct the holding claw means 7 in such a manner ;hat the holding claw members 7a narrow towards the ront.
  • FIGURE 9 there is depicted a profile rail member 29 provided with shoulder means 24.
  • This form of profile rail member 29 is particularly suitable for its rfnanufacture from steel and, therefore, can take up larger orces.
  • the profile rail member 50 depicted in FIG- URE 10 comprises a first portion or member 31 and a second portion or member 32 formed exactly like the first portion 31. Both of these profile rail portions 31 and 32 are pushed into one another, in other words telescopically interfitted, so that the respective parallel pairs of legs 33, 34 of these profile rail portions 31, 32 overlap one another.
  • the cross-section of a profile rail member 50 which is assembled in the manner just considered is approximately cross-shaped and essentially corresponds to the embodiment of rail member 29 of FIGURE 9. Additionally, it will be recognized that at each of the legs of this substantially cross-shaped profile rail member 50 there is located a pair of shoulders 35, 36 so that the outermost leg portion is wider than the throat portion 37 situated behind the shoulders 35, 36.
  • each of the four arms 51 of the profile rail member 50 Since both of the profile rail portions 31 and 32 are of exactly the same construction their production is quite simple.
  • the length of the inner leg member 33 is selected such that it comes to bear with its end face 33a upon the transverse web 38 of the other profile rail portion.
  • a respective holding claw member 40 and 41 serve to fixedly clamp the profile rail member 50 to another profile rail member which is transversely disposed and of the same or different physical construction.
  • the two holding claw members 40 and 41 are operably interconnected with one another by a shaft screw 42, with the screw head 43 being sunk or recessed, so that it extends flushly with the outer surface of the associated holding claw member, in this instance holding claw member 41.
  • the holding claw member 40 facing away from or remote from the screw head 43 is provided with a threaded portion 44 into which threadably engages the threaded shaft screw 42.
  • a spacer or distancing element 45 which is piercingly penetrated by the shaft of the screw member 42.
  • This spacer or distancing element 45 bears tightly against the neighboring legs 52 of the profile rail portions 31 and 32, and upon tightening the screw member 42 are pressed against the spacer element 45 to thereby limit the tightening operation.
  • a hole 47 or the like is provided at a location corresponding to this recess 46.
  • both of the profile rail portions 31, 32 such that the overlapping legs or leg portions 33, 34 at one half of the profile rail member are located at the outside and at the other half of the profile rail member are located at the inside. Furthermore, it would be possible to prevent a transverse displacement of both of the profile rail portions 31, 32 in that, the end of the leg portion 33 is extended at right angles to the latter, in other words is made longer and extends at right angles to the leg portion 33 appearing in FIGURE 10, so that such extended portion then bears against the inner surface of the shoulder 35a.
  • both of the profile rail portions 31 and 32 with one another, for instance by adhesively bonding such to one another or by securing one to the other by means of a spot welding connection.
  • At least one pair of hollow profile rail means disposed substantially transversely with respect to one another, said hollow profile rail means having an at least approximately cross-shaped cross-sectional configuration, said hollow profile rail means comprising external, substantially longitudinally extending portions and further ocmprising internal, substantially longitudinally extending shoulder means; at least two separate holding claw members defining a pair, each of said separate holding claw members being inserted into at least one end of said hollow profile rail means such that said holding claw members each bear against said internal, substantially longitudinally extending shoulder means of said profile rail means with a forward portion of said holding claw members projecting out of said hollow profile rail means, said holding claw members and specifically said forward projecting portions thereof being adapted to bear against the other of said profile rail means; and connecting means cooperating with said holding claw members for drawing together said holding claw members and for simultaneously effecting an elastic deformation of said profile rail means in which said holding claw members are inserted such that said forward projecting portions of said pair of holding claw members can selectively and detachably engage behind or release from said external, longitudinally
  • said connecting means comprises a screw member disposed subtantially perpendicular to the longitudinal direction ofv said profile rail means, said screw member engaging with both of said holding claw members for spreading or drawing together the end of said profile rail means provided with said holding claw means, said screw member having a screw head, said one profile rail means being provided with a bore through a longitudinal extending portion thereof providing access to said screw head for an insertable tool for acting upon said screw member, said screw head being larger than said bore.
  • said connecting means comprises eccentric means for spreading or drawing together said holding claw members and thus the end of said one profile rail means provided with aid holding claw means, said eccentric means including two eccentrically mounted discs and tongues connected with each of said two eccentrically mounted discs.
  • At least one of said profile rail means comprises two elongated interfitting rail portions of substantially similar con struction, said connecting means including a screw member, each of said rail portions including a leg member at each side of said screw member extending substantially parallel to the lengthwise axis of said screw member along the length of said rail portion, the leg members of said two rail portions at each side of said screw member being disposed in overlying fashion to one another along the longitudinal distance of said rail portions to define lines of separation in the longitudinal direction.
  • said connecting means includes a screw member, a spacer element arranged at substantially the central region of said one profile rail means between said internal shoulder means, said screw member piercingly extending through said spacer element, said spacer element bearing against said internal shoulder means when said holding claw members are tightened.
  • each of said profile rail means being of substantially identical shape, each elongated profile rail means having two pairs of parallel outer faces, each pair being disposed at substantially right angles to one another, the end of one of said profile rail means being adapted to bear against an outer face of the other profile rail means and lying in a plane perpendicularly disposed to the longitudinal axis of said one profile rail means, each profile rail means externally possessing substantially longitudinally extending ribs on each of said outer faces thereof and internally possessing substantially longitudinally extending shoulders, holding claw means including at least two holding claw members provided at the end of one of said profile rail means which bears against the other of said profile rail means, said holding claw members being inserted into said hollow profile rail means in bearing relationship to said shoulders of said profile rail, and connecting means cooperating with said holding claw means for bringing about an elastic deformation of said one profile rail means UNITED STATES PATENTS 2,280,361 4/ 1942

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
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  • Mutual Connection Of Rods And Tubes (AREA)
  • Joining Of Building Structures In Genera (AREA)

Description

July 22, 1969 H. MULLER 3,456,965
PROFILE RAIL CONNEbTION Filed Jan. 20, 1967 2 Sheets-Sheet l INVENTOR HEK/Vfil/A/ MJZLER BY wai /l y luniq CMQOIIMIZYK July 223, 1969 H. MULLER PROFILE RAIL CONNECTION 2 Sheets-Sheet 2 Filed Jan. 20, 1967 Ill/l III United States Patent US. Cl. 287189.36 9 Claims ABSTRACT OF THE DISCLOSURE Profile rail connection arrangement for interconnecting at least two profile rail members with one another which extend substantially transversely to one another. One of the rail members carries at one end bearing against the other rail member a pair of holding means, for instance in the form of claw members, intended to engage with appropriate longitudinally extending ribs or shoulders at the other rail member against which abuts said end of said one rail member. Mechanism cooperates with the claw members for elastically deforming the one rail member carrying said claw members to enable said claw members to detachably fixedly engage with or be released from said longitudinally extending ribs or shoulders of the other rail member.
BACKGROUND OF THE INVENTION The present invention relates to an improved profile rail connection means wherein the profile rail members to be interconnected are disposed substantially transverse to one another and preferably possess at least a substantially cross-shaped cross-sectional configuration. The invention contemplates that the profile members can be releasably interconnected quite simply and quickly in order to be able to form the most varied types of structural units, such as for instance display stands, exhibition rooms, loading or storage structures, book cases, shelves, partition walls, scaffolds, frame works, and so forth, only to mention a few.
SUMMARY OF THE INVENTION A primary object of the present invention is to provide means which are as simple as possible for the reliable connection of profile rail members which are disposed substantially transverse to one another.
Another, more specific object of the present invention deals with an improved profile rail connection means for the quick, reliable, easy interconnection of at least two profile rail members with one another which are disposed substantially transverse to one another.
Still another noteworthy object of this invention is directed to improved mechanism for interconnecting profile rail members with one another in a reliable and quick manner, in order to provide a positive and secure interconnection between such profile rail members, yet also enabling rapid and easy disassembly or detachment of such profile rail members from one another.
Another important object of the present invention deals with the provision of improved means for interconnecting profile rail members with one another in order to form the most varied type of different structural units, and where the connecting means are not only simple in construction and relatively inexpensive to manufacture, but further, provide an absolutely secure and positive releasable connection between the profile rail members when the latter are to be assembled, yet also enables disassembly of these profile rail members in an equally easy and rapid manner.
Generally speaking, the present invention is manifested by the features that the profile members externally exhibit 3,456,966 Patented July 22, 1969 longitudinally extending portions, preferably in the form of longitudinal ribs or shoulders, and two holding claw means are provided at the end of one of said profile rail members which bear against one of the other profile rail members. Furthermore, connecting means for instance in the form of a screw or eccentric connection are provided and by means of which an elastic deformation of the profile rail member carrying the claw means can be brought about, so that the claw means can selectively engage behind or cause to release from engagement with the longitudinally extending portions of the other profile rail member.
Owing to the inventive construction it is possible to perfect, by very simple means, a detachable connection between profile rail members, whereby also a number of profile rail members can protrude or depend at the same elevational position from a common profile rail member. Additionally, the end faces of the profile rail members which are to be interconnected need not possess any special configuration, rather it is absolutely sufficient to cut such along a parting plane which extends transverse to the longitudinal direction of the rail member and which separation or parting cut can for instance be carried out upon a conventional saw or the like.
BRIEF DESCRIPTION OF THE DRAWINGS The invention will be better understood, and objects other than those set forth above, will become apparent, when consideration is given to the following detailed description thereof. Such description makes reference to the annexed drawings wherein:
FIGURE 1 is a fragmentary, perspective View illustrating the connection between two profile rail members;
FIGURE 2 is a fragmentary, perspective view of a profile rail member with inserted holding claw means or the like;
FIGURE 3 is a perspective view depicting details of the holding claw means shown in FIGURE 2;
FIGURE 4 is a modified form of holding claw means, also shown in perspective view;
FIGURE 5 is a perspective view showing details of the eccentric means used with the holding claw means shown in FIGURE 4;
FIGURE 6 is a perspective view showing details of a possible form of small cover plate which can be used with the arrangement of FIGURE 1;
FIGURE 7 is a cross-sectional view of a different form of profile rail member;
FIGURE 8 is a cross-sectional view of a further form of profile rail member;
FIGURE 9 is a cross-sectional view of still a further form of profile rail member; and
FIGURE 10 is a cross-sectional view of a profile rail member formed of two parts or components.
DESCRIPTION OF THE PREFERRED EMBODIMENTS Describing now the drawings, and initially turning attention to FIGURE 1 it will be recognized that both of the hollow profile rail members 1, 2 thereof have the same, cross-like cross-sectional configuration and are preferably formed of aluminum of an aluminum alloy or steel. The profile of these rail members 1 and 2 is closed, as shown, and the material is resilient within certain limits. Each of these profile rail members 1 and 2 possesses four flat surfaces 3, each of which is at about right angles to one another. Between each two of these neighboring fiat surfaces 3 there is located a longitudinal groove 4 which also extends in the lengthwise direction of the associated rail member 1 or 2. These profile rail members 1 and 2 are hollow, as already explained, and further, include a shoulder means 5 at the inside near each leg memher 5a. As a result, there is formed an appropriate hollow compartment 6 which is suitable for the insertion of holding claw means 7.
Now, the details of such holding claw means 7 are best recognized by referring to FIGURE 3. Such holding claw means 7 is comprised of a respective pair of elongate metallic members 7a, each preferably having a substantially rectangular cross-sectional form and preferably hardened. These two metal members 7a in the form of claws are operably interconnected with one another by means of a threaded connection, such as the screw means 8. This screw means 8 is disposed about at the central region of the holding claw means 7 and has a head portion 9 equipped with an internal hexagonal recess or opening 9a. This head portion 9 is sunk or fitted into one of the holding claw members 7a, so that the front face of said head portion 9 extends approximately flush to the outer surface of the aforesaid holding claw member 7a.
A pressure spring means 10 is disposed between both of the holding claw members 7a of the holding claw means 7, and this pressure spring means 10 tends to spread both of the holding claw members 7a from one another. Further, both of these holding claw members 7a of the holding claw means 7 are deeply pushed into the one end of the profile rail member 2, and specifically, to such an extent that the forward beveled or inclined portion 11 of each of these holding claw members 7a still projects out of the aforesaid profile rail member 2. Moreover, in such profile rail member 2 there is provided a hole or opening 12, or equivalent structure, at one location which coincides with the hexagonal opening 9a of the head portion 9, so that by inserting into said hexagonal opening 9a a suitable hexagonal key or tool the screw means 8 can be rotated from the outside. Consequently, depending upon the direction of rotation of such screw means 8 both of the holding claw members 7a are either spread away from one another or drawn together, with simultaneous elastic deformation of the leg ends of the profile rail member 2.
Now, in order to limit the deformation a spacer or distancing element 26 is seated upon the shaft of the screw means 8 and against which spacer element the inner surfaces 27 come to bear. When the holder claw members 7a are spread away from one another it is possible to engage behind the protruding longitudinally extending portions 14, preferably in the form of lengthwise ribs or shoulders, of the other rail member 1, by means of the inwardly directed projecting portions 13 of each of the holding claw members 7a of the holding claw means. Thereafter, by appropriately drawing these holding claw means 7a together by means of the screw member 8 there is obtained a rigid detachable connection between both of the profile rail members 1 and 2, wherein one rail member extends at approximately right angles to the other rail member and two respective external flat surfaces 3 of both of the profile rail members 1, 2 are situated in the same planes. The spreading of the profile rail member 2 carrying the holding claw means 7 is achieved in that, the bore or opening 12 is smaller than the screw head portion 9, whereby the latter abuts against the confronting inner wall.
In order that a number of profile rail members can, for instance, be connected to depend or project from a vertical post or profile member 1 at the same elevation and substantially transverse to such post or profile rail member 1, the protruding portion 11 of each of the holding claw members 7a of the holding claw means 7 is provided with an inclined surface 15. Each such inclined surface 15 preferably extends at an angle of about 45 to the longitudinal axis of the associated profile rail member in which such holder or holding claw means 7 is mounted. Consequently, and as best seen by inspecting FIGURE 8, it is possible to arrange a number of profile rail members at the same elevation with the aid of the inserted holding claw means 7, without these holding claw means 7 interfering with one another. Now, if only a single profile rail member extends laterally from another profile rail member or two clamped profile rail members extend to opposite sides, then it is possible to mount a small cover plate member 16 at the attachment location for the purpose of covering the gap. This small cover plate member 16 is advantageously provided with retaining lips or flaps 17 which can resiliently engage behind the holder claw members 7a of the holder or holding claw means 7.
By referring to the embodiment of holder or holding claw means shown in FIGURE 4, it will be recognized that the individual holder or holding claw members 7a can be interconnected with one another through the agency of tongue means or flaps 18 and eccentric means 19 in lieu of the screw means 8 of the embodiment of FIGURE 3. In this case, the access opening for the head portion of the screw is applied at one side of the rail member which is displaced through about as shown, relative to the embodiment of FIGURE 3. The tongues or flaps 18 engage behind a shoulder means 21 of the holding claw members 7a of the holding claw means or unit 7. Details of the eccentric means 19 are depicted in FIGURE 5 and such eccentric mean is seen to comprise two eccentrically mounted discs. One of the tongues or flaps 18 would be attached to each of the eccentrically mounted discs as shown in FIGURE 4. As should be apparent, by rotating the eccentric means or coupling 19, the tongues or flaps 18 attached thereto will be relatively displaced causing displacement of the holding claw members 7a towards or away from one another with simultaneous elastic deformation of the leg ends of the profile member 2 in which the claw members are inserted.
Continuing, it is to be distinctly understood that the construction of the profile rail member or members is not limited to the physical construction of profile rail member depicted in the embodiment of FIGURES 1 and 2, rather the girders or side faces of the substantially crossshaped profile rail members could also be of dissimilar or unequal length, as such has been depicted by the profile rail member 28 of the embodiment of FIGURE 7. Here, it will be noticed that the parallel girders or side faces 28a are of different length than the other pair of parallel side faces 28b.
In the event that a larger stiffening or reinforcement of the profile rail member is desired in one direction, then it is advantageous to select a form of the profile rail member as such is shown in FIGURE 8, wherein both of the central webs 20 are continuous, in other words extend from one parallel side face 20a up to the opposite parallel side face 20b. With regard to the form of profile rail member 21 shown in FIGURE 8, it can be advantageous to construct the holding claw means 7 in such a manner ;hat the holding claw members 7a narrow towards the ront.
Further, in FIGURE 9 there is depicted a profile rail member 29 provided with shoulder means 24. This form of profile rail member 29 is particularly suitable for its rfnanufacture from steel and, therefore, can take up larger orces.
Finally, the profile rail member 50 depicted in FIG- URE 10 comprises a first portion or member 31 and a second portion or member 32 formed exactly like the first portion 31. Both of these profile rail portions 31 and 32 are pushed into one another, in other words telescopically interfitted, so that the respective parallel pairs of legs 33, 34 of these profile rail portions 31, 32 overlap one another. The cross-section of a profile rail member 50 which is assembled in the manner just considered is approximately cross-shaped and essentially corresponds to the embodiment of rail member 29 of FIGURE 9. Additionally, it will be recognized that at each of the legs of this substantially cross-shaped profile rail member 50 there is located a pair of shoulders 35, 36 so that the outermost leg portion is wider than the throat portion 37 situated behind the shoulders 35, 36. This holds true for each of the four arms 51 of the profile rail member 50. Since both of the profile rail portions 31 and 32 are of exactly the same construction their production is quite simple. The length of the inner leg member 33 is selected such that it comes to bear with its end face 33a upon the transverse web 38 of the other profile rail portion.
As further shown in FIGURE 10, in the respective openings of the outer arm portion there is inserted a respective holding claw member 40 and 41, the form and construction of which can best be recognized by again referring to FIGURE 3. These holding claw members 40, 41 serve to fixedly clamp the profile rail member 50 to another profile rail member which is transversely disposed and of the same or different physical construction. The two holding claw members 40 and 41 are operably interconnected with one another by a shaft screw 42, with the screw head 43 being sunk or recessed, so that it extends flushly with the outer surface of the associated holding claw member, in this instance holding claw member 41. The holding claw member 40 facing away from or remote from the screw head 43 is provided with a threaded portion 44 into which threadably engages the threaded shaft screw 42.
At approximately the central region or portion of the profile rail member 50 there is disposed a spacer or distancing element 45 which is piercingly penetrated by the shaft of the screw member 42. This spacer or distancing element 45 bears tightly against the neighboring legs 52 of the profile rail portions 31 and 32, and upon tightening the screw member 42 are pressed against the spacer element 45 to thereby limit the tightening operation. So that the inner hexagonal hole or recess 46 of the screw head 43, or for instance a screw slit or the like, is accessible from externally of the profile rail member 50, a hole 47 or the like is provided at a location corresponding to this recess 46. Upon tightening of the screw 42, and therefore, during fixedly detachably clamping of the holding claw members 40 and 41 at the transversely disposed second profile rail member it is possible for both of the profile rail portions 31 and 32 to displace relative to one another along their respective parallel legs 33, 34. The same holds true in analogous manner when releasing the connection, in which case then the displacement takes place in the opposite direction.
It would also be conceivable to construct both of the profile rail portions 31, 32 such that the overlapping legs or leg portions 33, 34 at one half of the profile rail member are located at the outside and at the other half of the profile rail member are located at the inside. Furthermore, it would be possible to prevent a transverse displacement of both of the profile rail portions 31, 32 in that, the end of the leg portion 33 is extended at right angles to the latter, in other words is made longer and extends at right angles to the leg portion 33 appearing in FIGURE 10, so that such extended portion then bears against the inner surface of the shoulder 35a.
For special fields of application it is also possible to subsequently connect both of the profile rail portions 31 and 32 with one another, for instance by adhesively bonding such to one another or by securing one to the other by means of a spot welding connection.
While there is shown and described present preferred embodiments of the invention it is to be distinctly understood that the invention is not limited thereto but may be otherwise variously embodied and practiced.
What is claimed is:
1. In combination, at least one pair of hollow profile rail means disposed substantially transversely with respect to one another, said hollow profile rail means having an at least approximately cross-shaped cross-sectional configuration, said hollow profile rail means comprising external, substantially longitudinally extending portions and further ocmprising internal, substantially longitudinally extending shoulder means; at least two separate holding claw members defining a pair, each of said separate holding claw members being inserted into at least one end of said hollow profile rail means such that said holding claw members each bear against said internal, substantially longitudinally extending shoulder means of said profile rail means with a forward portion of said holding claw members projecting out of said hollow profile rail means, said holding claw members and specifically said forward projecting portions thereof being adapted to bear against the other of said profile rail means; and connecting means cooperating with said holding claw members for drawing together said holding claw members and for simultaneously effecting an elastic deformation of said profile rail means in which said holding claw members are inserted such that said forward projecting portions of said pair of holding claw members can selectively and detachably engage behind or release from said external, longitudinally extending portions of said other profile rail means.
2. The combination as defined in claim 1, wherein said connecting means incorporates screw means.
3. The combination as defined in claim. 1, wherein said connecting means incorporates eccentric means.
4. The combination as defined in claim 1, wherein said protruding portions of said holding claw members are inclined at least about 45 with respect to the longitudinal axis of the profile rail means at which said holding claw means are inserted, so that it is possible to arrange at a given profile rail means a number of profile rail means at the same elevational position and extending substantially transverse to said given profile rail means.
5. The combination as defined in claim. 1, wherein said connecting means comprises a screw member disposed subtantially perpendicular to the longitudinal direction ofv said profile rail means, said screw member engaging with both of said holding claw members for spreading or drawing together the end of said profile rail means provided with said holding claw means, said screw member having a screw head, said one profile rail means being provided with a bore through a longitudinal extending portion thereof providing access to said screw head for an insertable tool for acting upon said screw member, said screw head being larger than said bore.
'6. The combination as defined in claim 1, wherein said connecting means comprises eccentric means for spreading or drawing together said holding claw members and thus the end of said one profile rail means provided with aid holding claw means, said eccentric means including two eccentrically mounted discs and tongues connected with each of said two eccentrically mounted discs.
7. The combination as defined in claim 1, wherein at least one of said profile rail means comprises two elongated interfitting rail portions of substantially similar con struction, said connecting means including a screw member, each of said rail portions including a leg member at each side of said screw member extending substantially parallel to the lengthwise axis of said screw member along the length of said rail portion, the leg members of said two rail portions at each side of said screw member being disposed in overlying fashion to one another along the longitudinal distance of said rail portions to define lines of separation in the longitudinal direction.
8. The combination as defined in claim 1, wherein said connecting means includes a screw member, a spacer element arranged at substantially the central region of said one profile rail means between said internal shoulder means, said screw member piercingly extending through said spacer element, said spacer element bearing against said internal shoulder means when said holding claw members are tightened.
9. In combination, at least one pair of hollow elongated profile rail means disposed substantially transversely in bearing relationship with respect to one another, each of said profile rail means being of substantially identical shape, each elongated profile rail means having two pairs of parallel outer faces, each pair being disposed at substantially right angles to one another, the end of one of said profile rail means being adapted to bear against an outer face of the other profile rail means and lying in a plane perpendicularly disposed to the longitudinal axis of said one profile rail means, each profile rail means externally possessing substantially longitudinally extending ribs on each of said outer faces thereof and internally possessing substantially longitudinally extending shoulders, holding claw means including at least two holding claw members provided at the end of one of said profile rail means which bears against the other of said profile rail means, said holding claw members being inserted into said hollow profile rail means in bearing relationship to said shoulders of said profile rail, and connecting means cooperating with said holding claw means for bringing about an elastic deformation of said one profile rail means UNITED STATES PATENTS 2,280,361 4/ 1942 Ackerman. 2,942,899 6/ 1960 Rifken 285-191 X 3,345,790 10/ 1967 Cornelissen 52-476 CARL W. TOMLIN, Primary Examiner R. S. BRITIS, Assistant Examiner US. Cl. X.R. 52476; 287-54
US610534A 1966-01-24 1967-01-20 Profile rail connection Expired - Lifetime US3456966A (en)

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Application Number Priority Date Filing Date Title
CH90566A CH442870A (en) 1966-01-24 1966-01-24 Profile rail connection
CH312566A CH456253A (en) 1966-01-24 1966-03-04 Profile rail connection

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BE (1) BE693033A (en)
CH (2) CH442870A (en)
DE (1) DE1575197A1 (en)
FR (1) FR1508759A (en)
GB (1) GB1161946A (en)
SE (1) SE311100B (en)

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US3734550A (en) * 1971-09-16 1973-05-22 Engineered Products Inc Building construction assembly
US3811575A (en) * 1972-04-05 1974-05-21 R Boegehold System of constructing display racking and shelving
US3811785A (en) * 1971-12-17 1974-05-21 R Hagglund Interconnection element system
US3828516A (en) * 1971-11-24 1974-08-13 Wieland Werke Ag Press-fitted joint between a transom bar and a frame or sash bar for use on windows, doors or the like
US4194495A (en) * 1977-11-11 1980-03-25 Chambers Corporation Oven liner and rack design
DE3031623A1 (en) * 1980-08-22 1982-03-04 Daimler-Benz Ag, 7000 Stuttgart Vehicle bodywork trim strip fixing device - has hooked spring stirrup riding over rear rib side into opening
US4456299A (en) * 1979-07-23 1984-06-26 Tefo Ag Profile system for assembling a plurality of different pieces of furniture
EP0181285A1 (en) * 1984-11-05 1986-05-14 Karl Vollenweider Connection joint for mainly semi-hollow and hollow section profiles
US4841708A (en) * 1980-09-29 1989-06-27 Aluma Systems Incorporated Bolted aluminum shoring frame
US5209541A (en) * 1992-04-13 1993-05-11 Ford Motor Company Space frame joint construction
US5228259A (en) * 1992-04-29 1993-07-20 Ford Motor Company Space frame connector
US5240089A (en) * 1991-07-17 1993-08-31 Speral Aluminum Inc. Modular scaffolding assembly
US5263296A (en) * 1991-07-17 1993-11-23 Speral Aluminium Inc. Modular scaffolding assembly
US5271687A (en) * 1992-04-03 1993-12-21 Ford Motor Company Space frame joint construction
US5343666A (en) * 1992-10-28 1994-09-06 Ford Motor Company Space frame joint construction
WO2002088482A1 (en) * 2001-04-26 2002-11-07 Wolfgang Rixen T-link of two profiled sections
US20040061357A1 (en) * 2002-09-17 2004-04-01 Long Russell S. Rear case assembly for trailer body
DE102004037530B4 (en) * 2003-08-22 2006-09-28 Rixen, Wolfgang, Dipl.-Ing. connecting element
US20180265290A1 (en) * 2014-12-09 2018-09-20 Swisslog Logistics, Inc. Structure for Automated Pallet Storage and Retrieval
WO2020204717A1 (en) * 2019-04-05 2020-10-08 Maars Holding B.V. Partition wall system, method for mounting a partition wall system
RU2766967C1 (en) * 2021-08-25 2022-03-16 Александр Игоревич Павлов Method for assembling a frame for barriers, fences, panels and partitions

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FR2433668A1 (en) * 1978-08-17 1980-03-14 Pourteau Expl Ets ASSEMBLY SYSTEM FOR THE REALIZATION OF FRAMES AND LIGHTWEIGHT METAL CONSTRUCTIONS
FR2450993A1 (en) * 1979-03-07 1980-10-03 Technal International Sa Adjustable connection for end box section rail to post side - uses screw actuated third order levers to pivot opposed claw pairs into post holes
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DE3342616A1 (en) * 1983-11-25 1985-06-05 Octanorm-Vertriebs-GmbH für Bauelemente, 7024 Filderstadt ASSEMBLING PROFILE TUBE FOR THE PRODUCTION OF EASILY ASSEMBLY AND REASSEMBLE
FR2558188B1 (en) * 1984-01-18 1987-07-17 Laurent Albert BOX PROFILE FOR THE PRODUCTION OF ROOFS AND FLOORS
US4907388A (en) * 1988-08-11 1990-03-13 Siahatgar Mohammed T Modular panel frame assembly system
DE4125976A1 (en) * 1991-08-06 1993-02-11 Philippi Gerd PROFILE CONNECTION, ESPECIALLY FOR ALUMINUM LIGHTWEIGHT CONSTRUCTION
US5657604A (en) * 1995-11-27 1997-08-19 Downing Displays, Inc. Panel connector
DE19855928A1 (en) * 1998-12-04 2000-06-08 Wolfgang Rixen Connection of two profile bars
GB2464794B (en) * 2008-09-16 2012-05-02 Farrell Brothers Res Ltd A modular furniture system

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3734550A (en) * 1971-09-16 1973-05-22 Engineered Products Inc Building construction assembly
US3828516A (en) * 1971-11-24 1974-08-13 Wieland Werke Ag Press-fitted joint between a transom bar and a frame or sash bar for use on windows, doors or the like
US3811785A (en) * 1971-12-17 1974-05-21 R Hagglund Interconnection element system
US3811575A (en) * 1972-04-05 1974-05-21 R Boegehold System of constructing display racking and shelving
US4194495A (en) * 1977-11-11 1980-03-25 Chambers Corporation Oven liner and rack design
US4456299A (en) * 1979-07-23 1984-06-26 Tefo Ag Profile system for assembling a plurality of different pieces of furniture
DE3031623A1 (en) * 1980-08-22 1982-03-04 Daimler-Benz Ag, 7000 Stuttgart Vehicle bodywork trim strip fixing device - has hooked spring stirrup riding over rear rib side into opening
US4841708A (en) * 1980-09-29 1989-06-27 Aluma Systems Incorporated Bolted aluminum shoring frame
EP0181285A1 (en) * 1984-11-05 1986-05-14 Karl Vollenweider Connection joint for mainly semi-hollow and hollow section profiles
US5263296A (en) * 1991-07-17 1993-11-23 Speral Aluminium Inc. Modular scaffolding assembly
US5240089A (en) * 1991-07-17 1993-08-31 Speral Aluminum Inc. Modular scaffolding assembly
US5271687A (en) * 1992-04-03 1993-12-21 Ford Motor Company Space frame joint construction
US5209541A (en) * 1992-04-13 1993-05-11 Ford Motor Company Space frame joint construction
US5228259A (en) * 1992-04-29 1993-07-20 Ford Motor Company Space frame connector
US5343666A (en) * 1992-10-28 1994-09-06 Ford Motor Company Space frame joint construction
WO2002088482A1 (en) * 2001-04-26 2002-11-07 Wolfgang Rixen T-link of two profiled sections
US20040061357A1 (en) * 2002-09-17 2004-04-01 Long Russell S. Rear case assembly for trailer body
US20060131930A1 (en) * 2002-09-17 2006-06-22 Long Russell S Rear case assembly for trailer body
DE102004037530B4 (en) * 2003-08-22 2006-09-28 Rixen, Wolfgang, Dipl.-Ing. connecting element
US20180265290A1 (en) * 2014-12-09 2018-09-20 Swisslog Logistics, Inc. Structure for Automated Pallet Storage and Retrieval
US11084622B2 (en) * 2014-12-09 2021-08-10 Swisslog Logistics, Inc. Structure for automated pallet storage and retrieval
US11794950B2 (en) 2014-12-09 2023-10-24 Swisslog Logistics, Inc. Structure for automated pallet storage and retrieval
WO2020204717A1 (en) * 2019-04-05 2020-10-08 Maars Holding B.V. Partition wall system, method for mounting a partition wall system
NL2022880B1 (en) * 2019-04-05 2020-10-12 Maars Holding Bv Partition wall system, method for mounting a partition wall system
RU2766967C1 (en) * 2021-08-25 2022-03-16 Александр Игоревич Павлов Method for assembling a frame for barriers, fences, panels and partitions

Also Published As

Publication number Publication date
FR1508759A (en) 1968-01-05
CH442870A (en) 1967-08-31
GB1161946A (en) 1969-08-20
CH456253A (en) 1968-05-15
SE311100B (en) 1969-05-27
DE1575197A1 (en) 1970-01-02
BE693033A (en) 1967-07-03

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