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EP0710174B1 - Gaine filtrante pour element de drainage utilise dans des presses pour separer des liquides et des solides - Google Patents

Gaine filtrante pour element de drainage utilise dans des presses pour separer des liquides et des solides Download PDF

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Publication number
EP0710174B1
EP0710174B1 EP95916547A EP95916547A EP0710174B1 EP 0710174 B1 EP0710174 B1 EP 0710174B1 EP 95916547 A EP95916547 A EP 95916547A EP 95916547 A EP95916547 A EP 95916547A EP 0710174 B1 EP0710174 B1 EP 0710174B1
Authority
EP
European Patent Office
Prior art keywords
press
filter cover
tubular
end part
drainage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95916547A
Other languages
German (de)
English (en)
Other versions
EP0710174A1 (fr
Inventor
Ruedi Jossi
Eduard Hartmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bucher Guyer AG
Original Assignee
Bucher Guyer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bucher Guyer AG filed Critical Bucher Guyer AG
Priority to SI9530322T priority Critical patent/SI0710174T1/xx
Publication of EP0710174A1 publication Critical patent/EP0710174A1/fr
Application granted granted Critical
Publication of EP0710174B1 publication Critical patent/EP0710174B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/26—Permeable casings or strainers
    • B30B9/262—Permeable casings or strainers means disposed in the casing facilitating the squeezing-out of liquid

Definitions

  • the invention relates to a filter unit for use in a press for separating liquids from solid Substances, especially for a fruit press, comprehensive Drainage element with a rod-shaped, flexible Drainage core with flow paths to drain the squeezed out Liquid from the press room of the press and one Drainage core surrounding, liquid-permeable Filter cover, with at least one end of the Drainage element on a juice collecting plate, pressure plate, or is attached to the press jacket of the press.
  • Such Unit is previously known, see Figure 1.
  • Fig. 1 shows a longitudinal section through the known Attachment of a drainage element in a fruit press.
  • a press space 2 delimited by a pressure plate 1 a known fruit press, not shown, are one A large number of drainage elements 3 are arranged.
  • a drainage element 3 consists essentially of a elastic drainage core 4, over the outside Grooves 5, as section A-A shows, the liquid during the pressing process is led out of the pressing chamber 2, and a stocking-shaped filter 6 stretched over it Solid-liquid separation.
  • Each at the ends of the Drainage element 3 are the drainage core 4 and the filter 6 fixed in a core holder 7.
  • the filter 6 will passed over an elastic cuff 8 and with an O-ring 9 fixed.
  • a disc 10 serves to support the cuff 8 against a cross pin 11 which laterally in bores of Drainage core 4 and the core holder 7 is pushed, and the axial and radial fixation of the two components 4 and 7 guaranteed to each other.
  • the core holder 7 is using a spacer 12 and a circlip 13 connected to the pressure plate 1.
  • a cam 14 of the locking ring 13 the through a slot in the spacer 12 in a groove of Core holder 7 engages in connection with a rear the pressure plate 1 lying collar 17 of the spacer 12th securing against axial displacement.
  • the filter 6 is through Pinch between core holder 7, cuff 8 and O-ring 9 in the spacer bush 12 held.
  • At least the cuff is 8 made of an elastically deformable material, preferably made of made of an elastomer.
  • the drainage filters 6 are at this known version by a knitting process made and to avoid running stitches on the Sewn ends near the disc 10 or cut hot to length, so that the stitches melt together easily.
  • the assembly of the filter element 6 with the complete Drainage element 3 is very labor intensive.
  • the filter 6 is pulled over the cuff 8, it is in the longitudinal direction to place correctly.
  • the O-ring 9 is over it pushed, it is together with the drainage core 4 in the Clamp core holder 7.
  • This usually comes the following assembly errors: - stitch formation due to strong pull, - wrong placement in the longitudinal direction, - O-ring shifted when inserted, - use of Lubricants, although not allowed. These errors can too insufficient attachment of the filter 6 in Guide the connector.
  • the filter 6 is then in operation pulled out of the press under the O-ring 9, and the Operation of the press is disrupted.
  • CH-A-413599 (Bucher-Guyer AG) is already one Press for juice extraction from fruit, grapes and known press material in which one juice-permeable, filtering the juice and a flexible core with its ends anchored to pressure plates are.
  • the ends of the shell are covered by a socket reinforced, which surrounds the shell inside and outside.
  • the frame is attached by an inside clamping ring on the inner wall of a Connection piece pressed.
  • the tension ring causes one open space between the socket of the filtering Shell and the flexible core. This space is at Operation of the press easily by an outside of the Clogged part of the cover clogged and thereby the Drainage of the press juice is impeded.
  • a drainage element comprises a core which is formed by a juice-permeable cloth is surrounded.
  • the two ends of the Scarves are made of deformable in a connecting ring Fixed material.
  • Each connecting ring sits in one Opening a support plate and surrounding the cloth from the inside and from the outside. This creates an open space between the connecting ring and the core. This The gap is easily visible when the press is in operation a part of the outside of the connecting ring Clogged cloth and thereby the drain of the press juice with special needs.
  • the invention is based on the object Disadvantages due to a filter unit of the aforementioned Kind to avoid.
  • this is Task with a filter unit of the type mentioned solved by a tubular core holder; a tubular cuff, which is at least partially inside of the tubular core holder is arranged, the An annular cuff on an outer circumferential surface Has groove; an elongated elastic Drainage core with an end part, which within the tubular cuff is arranged; a filter cover with an end part, which is at least partially between the tubular core holder and the tubular cuff is arranged, the end part of the filter sleeve includes free end, which is in the annular groove extends; and by a tubular molded part, which is made of made of an elastomer and solid with one Peripheral surface of the end part of the filter cover is connected, wherein the tubular molded part has an annular bead which essentially comprises the annular groove fills out.
  • Fig. 2 shows on the left a filter cover 26 similar to that already in Fig. 1 shown and explained type. Circumference and diameter the filter cover 26 can be produced as a result of a knitting process can be enlarged by stretching.
  • a plastic mass existing elastic molded part 29 cast on. When casting this molded part 29 penetrates the Plastic mass into the mesh of the filter cover fabric 26 and enables a firm connection of both Parts.
  • the molded part 29 has a ring-like shape Bead 22, whose outer diameter is larger than the outer diameter of the filter sleeve 26.
  • the arrow 21 symbolizes that on the right in FIG. 2 the filter sleeve 26 on a cuff 23 as a holding body is raised.
  • the filter cover 26 and molded part 29 elastically expanded.
  • the bead 22 due to its internal stress in a groove 24 the cuff 23 tilts automatically and thus one correct axial positioning of the filter sleeve 26 brings about.
  • This winding process is very manual easy to do.
  • the molding of the molded part 29 from the outside to the unexpanded filter sleeve 26 easy to carry out because no inner contours have to be attached are.
  • a molded part can also be used Attach 29 'to the inside of the filter sleeve 26 as it is Fig. 3 shows.
  • a bead 22 ' has already passed through Arrow 21 symbolized pulling on the cuff 23 his End position on the inside of the filter sleeve 26, it falls the expansion for assembly easily into the groove 24.
  • Fig. 4 shows similar to Fig. 1, the filter sleeve in its the press mounted position, with the same reference numerals indicate corresponding parts. Only is in Fig. 4 1 instead of the known filter sleeve 6 from FIG filter cover 26 according to the invention shown, as they already 2 has been described.
  • the Filter sleeve 26 with the bead 22 at its end in the groove 24 the cuff 8 and in the core holder 7 is not a displacement of the molded part 29 possible. Pull out the filter cover 26 by pulling is not in this version possible because it is firmly connected to the molded part 29 is.
  • the assembly of the disc 34 and the cross pin 11 is compared to the known attachment according to FIG. 1 also simplified because there is no filter end in the zone of these parts reaches in.
  • the elastically deformable ring-like molded part 29 is here by an also rubber-elastic tube-like Extension 43 extends, the length of which is at least equal to that is the outer diameter of the molded part 29.
  • the tubular extension 43 is like the molded part 29 itself along its entire length with the filter sleeve 26 connected.
  • the annular bead 22 of the molded part 29 is here larger in relation to the stretchable version. He is between an outer sleeve 46 and an inner sleeve 48 clamped.
  • the inner sleeve 48 occurs as a rigid part instead of the elastic cuff 8 according to FIG. 4 a neck 47 to support the end of the filter envelope 26 from the inside and is with a cross pin 11 ', which penetrates the outer sleeve 46 and the drainage core 4, axially fixed.
  • FIG. 5 tubular extension 43 is also in the Embodiments according to FIGS. 2 to 4 are advantageous. He can be made of an elastomer and prevents in Area of its attachment to the filter sleeve 26 whose Fall into the drainage grooves 5 of the drainage core 4 (cf. Fig. 1). It is therefore possible to neck 47 of the inner sleeve 48 relatively short and made of a rigid plastic to train.
  • Fig. 6 shows an embodiment of the attachment of the Filter sleeve 26, in which it is between an outer sleeve 56 and an inner cone 57 is clamped, the ring-like Bead 22 '' remains free and, as can be seen, due to its tensile stress in a groove 24 '' of the cone 57 inserts.
  • Outer sleeve 56 and cone 57 are advantageous made of steel, and the bead 22 '' is part of a coating the end of the filter sleeve 26, which is made of an elastomer exists and the thickness of which is small. This one too Execution of the filter sleeve 26 will prevent Running meshes and a clean filter finish reached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtration Of Liquid (AREA)
  • Drying Of Solid Materials (AREA)
  • Centrifugal Separators (AREA)
  • Filtering Materials (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Food-Manufacturing Devices (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Claims (9)

  1. Unité filtrante à utiliser dans une presse destinée à séparer des liquides de matières solides, notamment une presse à fruits, comprenant un élément d'évacuation (3) avec une âme d'évacuation flexible (4) en forme de barre, avec des chemins d'écoulement (5) pour évacuer le liquide exprimé de la chambre de presse (2), et une enveloppe filtrante (26) entourant l'âme d'évacuation (4) et perméable aux liquides, au moins une extrémité de l'élément d'évacuation (3) étant fixée sur une plaque collectrice de jus (plaque de pression 1) ou sur la surface extérieure de la presse, caractérisée par un support d'âme tubulaire (7); par un fourreau tubulaire (8) qui est disposé au moins pour partie à l'intérieur du support d'âme tubulaire (7), le fourreau (8) présentant, sur une face circonférentielle extérieure, une rainure annulaire (24); par l'âme d'évacuation (4), élastique et oblongue, pourvue d'une partie terminale qui est disposée à l'intérieur du fourreau tubulaire (8); par l'enveloppe filtrante (26), pourvue d'une partie terminale qui est disposée au moins partiellement entre le support d'âme tubulaire (7) et le fourreau tubulaire (8), la partie terminale de l'enveloppe filtrante (26) comprenant une extrémité libre qui s'étend dans la rainure annulaire (24); et par une pièce préformée tubulaire (29), qui est fabriquée en élastomère et fixement assemblée à une face circonférentielle extérieure de la partie terminale de l'enveloppe filtrante (26), la pièce préformée tubulaire (29) comprenant un bourrelet annulaire (22), qui remplit pour l'essentiel la rainure annulaire (24).
  2. Unité filtrante à utiliser dans une presse destinée à séparer des liquides de matières solides, notamment une presse à fruits, comprenant un élément d'évacuation (3) avec une âme d'évacuation flexible (4) en forme de barre, avec des chemins d'écoulement (5) pour évacuer le liquide exprimé de la chambre de presse (2), et une enveloppe filtrante (26) entourant l'âme d'évacuation (4) et perméable aux liquides, au moins une extrémité de l'élément d'évacuation (3) étant fixée sur une plaque collectrice de jus (plaque de pression 1) ou sur la surface extérieure de la presse, caractérisée par un support d'âme tubulaire (7); par un fourreau tubulaire (23) qui est disposé au moins pour partie à l'intérieur du support d'âme tubulaire (7), le fourreau (23) présentant, sur une face circonférentielle extérieure, une rainure annulaire (24); par l'âme d'évacuation (4), élastique et oblongue, pourvue d'une partie terminale qui est disposée à l'intérieur du fourreau tubulaire (23); par l'enveloppe filtrante (26), pourvue d'une partie terminale qui est disposée au moins partiellement entre le support d'âme tubulaire (7) et le fourreau tubulaire (23); et par une pièce préformée tubulaire (29'), qui est fabriquée en élastomère et fixement assemblée à une face circonférentielle intérieure de la partie terminale de l'enveloppe filtrante (26), et qui comprend un bourrelet annulaire (22'), qui remplit pour l'essentiel la rainure annulaire (24).
  3. Unité filtrante à utiliser dans une presse destinée à séparer des liquides de matières solides, notamment une presse à fruits, comprenant un élément d'évacuation (3) avec une âme d'évacuation flexible (4) en forme de barre, avec des chemins d'écoulement (5) pour évacuer le liquide exprimé de la chambre de presse (2), et une enveloppe filtrante (26) entourant l'âme d'évacuation (4) et perméable aux liquides, au moins une extrémité de l'élément d'évacuation (3) étant fixée sur une plaque collectrice de jus (plaque de pression 1) ou sur la surface extérieure de la presse, caractérisée par une douille extérieure (46), pourvue à une extrémité d'un collet s'étendant radialement vers l'intérieur; par une douille intérieure (48), qui est disposée à l'intérieur de la douille extérieure (46) et comporte à une extrémité un collet annulaire s'étendant radialement vers l'extérieur ; par un espace intermédiaire annulaire, qui est disposé axialement entre les collets annulaires de la douille extérieure (46) et de la douille intérieure (48); par l'âme d'évacuation (4), élastique et oblongue, pourvue d'une partie terminale qui est disposée à l'intérieur de la douille intérieure (48); par l'enveloppe filtrante (26), pourvue d'une partie terminale qui est disposée au moins partiellement entre la douille extérieure (46) et la douille intérieure (48), la partie terminale de l'enveloppe filtrante (26) comprenant une extrémité libre qui s'étend dans l'espace intermédiaire annulaire; et par une pièce préformée tubulaire (29), qui est fabriquée en élastomère et fixement assemblée à une face circonférentielle extérieure de la partie terminale de l'enveloppe filtrante (26), et qui comprend un bourrelet annulaire (22), qui remplit pour l'essentiel l'espace intermédiaire annulaire.
  4. Unité filtrante à utiliser dans une presse destinée à séparer des liquides de matières solides, notamment une presse à fruits, comprenant un élément d'évacuation (3) avec une âme d'évacuation flexible (4) en forme de barre, avec des chemins d'écoulement (5) pour évacuer le liquide exprimé de la chambre de presse (2), et une enveloppe filtrante (26) entourant l'âme d'évacuation (4) et perméable aux liquides, au moins une extrémité de l'élément d'évacuation (3) étant fixée sur une plaque collectrice de jus (plaque de pression 1) ou sur la surface extérieure de la presse, caractérisée par une douille extérieure (56) ; par un cône intérieur (57), pourvu d'une partie terminale qui est disposée au moins partiellement à l'intérieur de la douille extérieure (56), le cône intérieur (57) présentant, sur une face circonférentielle extérieure et en dehors de la douille extérieure (56), une rainure annulaire (24'') ; par l'âme d'évacuation (4), élastique et oblongue, pourvue d'une partie terminale qui est disposée à l'intérieur du cône intérieur (57) ; par l'enveloppe filtrante (26), pourvue d'une partie terminale qui est disposée au moins partiellement entre le cône intérieur (57) et la douille extérieure (56), la partie terminale de l'enveloppe filtrante (26) comprenant une extrémité libre qui s'étend dans la rainure annulaire (24'') ; et par un bourrelet annulaire (22''), qui est fabriqué en élastomère et est assemblé fixement à une face circonférentielle extérieure de la partie terminale de l'enveloppe filtrante (26), et qui entoure une partie de la rainure annulaire (24'').
  5. Unité filtrante selon la revendication 1, caractérisée en ce que l'élastomère est formé sur l'enveloppe filtrante (26).
  6. Unité filtrante selon la revendication 1, caractérisée en ce que l'élastomère est formé sur l'enveloppe filtrante (26) par enduction.
  7. Unité filtrante selon la revendication 1, caractérisée en ce que l'enveloppe filtrante (26) est fabriquée en matériau tricoté.
  8. Unité filtrante selon la revendication 7, caractérisée en ce que l'élastomère est formé sur une face extérieure de l'enveloppe filtrante (26).
  9. Unité filtrante selon la revendication 1, caractérisée en ce que l'élastomère est formé sur une face circonférentielle extérieure de l'enveloppe filtrante (26).
EP95916547A 1994-05-19 1995-05-09 Gaine filtrante pour element de drainage utilise dans des presses pour separer des liquides et des solides Expired - Lifetime EP0710174B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530322T SI0710174T1 (en) 1994-05-19 1995-05-09 Filter wrapper for a draining element for presses to separate liquids from solids

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH1553/94 1994-05-19
CH155394 1994-05-19
CH01553/94A CH689382A5 (de) 1994-05-19 1994-05-19 Filterhuelle fuer ein Drainageelement fuer Pressen zum Ausscheiden von Flüssigkeiten aus festen Stoffen.
PCT/CH1995/000107 WO1995032090A1 (fr) 1994-05-19 1995-05-09 Gaine filtrante pour element de drainage utilise dans des presses pour separer des liquides et des solides

Publications (2)

Publication Number Publication Date
EP0710174A1 EP0710174A1 (fr) 1996-05-08
EP0710174B1 true EP0710174B1 (fr) 1999-07-07

Family

ID=4213113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95916547A Expired - Lifetime EP0710174B1 (fr) 1994-05-19 1995-05-09 Gaine filtrante pour element de drainage utilise dans des presses pour separer des liquides et des solides

Country Status (20)

Country Link
US (1) US5732621A (fr)
EP (1) EP0710174B1 (fr)
CN (1) CN1128516A (fr)
AT (1) ATE181874T1 (fr)
AU (1) AU693194B2 (fr)
BR (1) BR9506240A (fr)
CA (1) CA2167684A1 (fr)
CH (1) CH689382A5 (fr)
DE (1) DE59506344D1 (fr)
ES (1) ES2136287T3 (fr)
HR (1) HRP950270A2 (fr)
HU (1) HU218860B (fr)
MD (1) MD960101A (fr)
NZ (1) NZ284422A (fr)
PL (1) PL175732B1 (fr)
RU (1) RU2132279C1 (fr)
SI (1) SI0710174T1 (fr)
WO (1) WO1995032090A1 (fr)
YU (1) YU28795A (fr)
ZA (1) ZA954047B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD841410S1 (en) 2017-12-21 2019-02-26 Goodnature Products, Inc. Juicing bag

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB966235A (en) * 1961-06-22 1964-08-06 Dust Control Equipment Ltd Improvements in and relating to gas filtering apparatus
GB1016643A (en) * 1962-09-21 1966-01-12 Bucher Guyer Ag Masch Improvements in or relating to presses
CH413599A (de) * 1962-09-21 1966-05-15 Bucher Guyer Ag Masch Presse für die Saftgewinnung aus Obst, Trauben und dergleichen Pressgut
FR2407731A1 (fr) * 1977-11-08 1979-06-01 Sacme Mirbo Dispositif de fixation d'une manche filtrante
US4601735A (en) * 1985-01-18 1986-07-22 Royal Appliance Mfg. Co. Vacuum bag attachment device
CH676692A5 (fr) * 1988-08-30 1991-02-28 Bucher Guyer Ag Masch
CH679565A5 (fr) * 1989-08-22 1992-03-13 Bucher Guyer Ag Masch
DE4321384C1 (de) * 1993-06-26 1994-09-22 Siempelkamp Gmbh & Co Schlammentwässerungspresse mit einer Schlammaufnahmekammer und darin angeordneten Trennsträngen
CH687686A5 (de) * 1993-12-23 1997-01-31 Bucher Guyer Ag Masch Drainageelement fuer Pressen zum Ausscheiden von Fluessigkeiten aus festen Stoffen.

Also Published As

Publication number Publication date
HU9503492D0 (en) 1996-02-28
HRP950270A2 (en) 1997-04-30
CN1128516A (zh) 1996-08-07
HU218860B (hu) 2000-12-28
SI0710174T1 (en) 1999-12-31
DE59506344D1 (de) 1999-08-12
BR9506240A (pt) 1997-08-19
AU2301795A (en) 1995-12-18
NZ284422A (en) 1997-10-24
YU28795A (sh) 1997-12-05
AU693194B2 (en) 1998-06-25
ES2136287T3 (es) 1999-11-16
CA2167684A1 (fr) 1995-11-30
MD960101A (ro) 1997-11-30
US5732621A (en) 1998-03-31
ATE181874T1 (de) 1999-07-15
PL312188A1 (en) 1996-04-01
ZA954047B (en) 1996-01-17
PL175732B1 (pl) 1999-02-26
EP0710174A1 (fr) 1996-05-08
WO1995032090A1 (fr) 1995-11-30
HUT72482A (en) 1996-04-29
RU2132279C1 (ru) 1999-06-27
CH689382A5 (de) 1999-03-31

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