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WO2020076293A1 - Dispositif de retrait de capuchon d'extrémité - Google Patents

Dispositif de retrait de capuchon d'extrémité Download PDF

Info

Publication number
WO2020076293A1
WO2020076293A1 PCT/US2018/054929 US2018054929W WO2020076293A1 WO 2020076293 A1 WO2020076293 A1 WO 2020076293A1 US 2018054929 W US2018054929 W US 2018054929W WO 2020076293 A1 WO2020076293 A1 WO 2020076293A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool
toe
operating
slot
rod
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.)
Ceased
Application number
PCT/US2018/054929
Other languages
English (en)
Inventor
Frederick R. BILLS
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.)
Web Ind Inc
Original Assignee
Web Ind Inc
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 Web Ind Inc filed Critical Web Ind Inc
Priority to PCT/US2018/054929 priority Critical patent/WO2020076293A1/fr
Publication of WO2020076293A1 publication Critical patent/WO2020076293A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/185—End caps, plugs or adapters

Definitions

  • the present invention pertains to a tool for removing plugs or end caps having a hole, especially a centrally located hole.
  • the present invention is directed to a tod for removing plugs or end caps from winding cores.
  • caps or plugs to assist in the processing of materials which caps or plugs are to be removed once the processing step is completed.
  • core elements include paper, fabrics, tapes, textiles, cables, ropes, wires, composite materials, fibers, and the like, altogether "wound materials.
  • the winding and unwinding processes involve loading a core element onto an axel or an apparatus having chucks or like elements which engage the core elements and allow for the rotation of the core elements, either a free rotation or a rotation driven by or assisted by a motor associated with the axel or chucks.
  • the core elements will be of varying diameters. Specifically, if the wound material is a stiffer material or one prone to stretching without recovery, it is oftentimes necessary to use core elements of a relatively large diameter so that arc of the initial windings is less stenuous on toe materials being wound. A larger diameter core element may also be needed if toe materials being wound are heavy and/or the windings are to be quite large so as to bear the weight of the wound materials.
  • these end caps are keyed such that a female structure on one of a) at least one of the end caps or b) the axel or at least one of the chucks engages a male element on the other so as to interlock the two.
  • a cap or plug extraction tool comprising
  • a body preferably a cylindrical body, having a grip end and an operating end, a longitudinal axis along toe length of the body and a body axis perpendicular to the longitudinal aids wherein the operating end of the body has a length and a diameter and is hollow or otherwise has a bore defining an operating chamber and a chamber side wall, the chamber side wall having A) opposing angled slots having a length and width, said angled slots being angled relative to the longitudinal axis from about 10 degrees to about 85 degrees, preferably from about 25 degrees to about 70 degrees, most preferably about 45 degrees, and each hairing a first slot end and a second slot end, and B) a longitudinal slot parallel to the longitudinal axis of the body and intermediate, along the circumference or perimeter of the chamber side wall, the opposing angled slots with the first slot end doses! to toe longitudinal slot and the second slot end furthest from the longitudinal slot, said longitudinal slot having a length along its longitudinal axis and a width, and
  • a stop assembly comprising i) a rod having a length, a rod axis along the length of the rod, and diameter, in the case of a cylindrical rod, or a width, in the case of the a non- cylindricai rod, said width being the major axis in the case of an elliptical rod or the greater of die non-length dimensions in the case of a non-elliptical rod, and ii) a stop element having diameter in the case of a round stop element or a length and height in the case of a non-round stop element aid width, the length generally aligned with the longitudinal axis of the body and the width generally aligned with the perpendicular axis erf the body, wherein the stop element is generally centered on and perpendicular to the rod axis,
  • the length of the rod is approximately the same as the diameter of the operating chamber and is adapted to extend from within one angled slot to within the other angled slot and toe diameter or width of the rod is less than toe width of the angled slots
  • the width of the longitudinal slot is greater than the width of the stop element and the height or diameter of the stop element is such that none or substantially none of the stop element extends through toe longitudinal slot and beyond the chamber side wall of the operating end of the body when the rod is at the second slot end and at least a portion of the height or diameter of the stop element extends through the longitudinal slot and past the chamber side wall of the operating end of the body when the rod is at the first dot end and the positioning and length of the longitudinal slot is such that at least a portion of the stop element Is able to protrude through the longitudinal slot as the rod moves from the second slot end to the first slot end.
  • FIGs. 1A, 1B, 1C and 1D are right side, front, left side and back views, respectively, of one embodiment of the present invention.
  • Fig. 2A is a right side view of a second embodiment of the present invention.
  • Fig. 2B is a partial cut away view of the second embodiment shown in Fig. 2A with the stop element extended.
  • Fig. 2C is a partial cut away view of the second embodiment shown in Fig. 2A with the stop element retracted.
  • Fig. 2D is frontal view of the second embodiment of Fig. 2A.
  • Figs, 3A and 3B are side and elevated perspective views, respectively, of a stop element in the form of a disc.
  • Fig. 4A is a front view Of the stop element of Fig. 3A mounted on a rod.
  • Fig. 4B is a cross-sectional view of the stop assembly of Fig 4A taken along the line 4-4.
  • Figs. 5A and SB are side and elevated perspective views of a stop element in the form of a wedge.
  • Fig. 6A is a front view of the stop element of Fig. 5A mounted on a rod.
  • Fig. 6B is a cross-sectional view of the stop assembly of Fig 5A taken along the line 6-6.
  • Fig. 7 is an alternate embodiment of the tool of Figla with a grip attached.
  • Fig. 8 is a cross-sectional view of the tool of Fig. 7 taken along the line 7-
  • Fig. 9 is an alternate embodiment of the tool of Fig. 2A with a modified wedge stop element.
  • Figs. 10A and 108 show side expanded elevated views, respectively, of a two-piece embodiment of the extraction tool.
  • Fig. 11A is a frontal view of an alternate embodiment of the tod without the stop element
  • Fig. 11B is a dross-sectional view of the tool of Fig. 11 taken along line 11-11.
  • Figs. 12A, 12B, 12C and 12D show the progressive step operation of the use of the tod of Fig. 1 in removing an end cap
  • toe body of toe extraction tod or at least toe operating end thereof is cylindrical in shape.
  • This is consistent with toe general practice of using axels and chuck pins that are likewise cylindrical and plugs or end caps whose openings to accept toe axels or chuck pins are round.
  • axels and chuck pins could have a square, rectangular, etc. cross-section for use with plugs or end caps that have a like shaped receiving opening.
  • the phrase’substantially none when used In halation to the an element or component extending beyond a given point means that toe element may extend beyond that point so long as it does not extend so for as to interfere with toe insertion of toe extraction tool into a plug or end cap or with toe removal of a plug oh end cap from toe extraction tool.
  • an extraction tool for removing caps or plugs, especially caps or plugs associated and/or used with cores, spindles, spools, and the like in winding and unwinding operations
  • said extraction tool comprising a) a body having a grip end and an operating end wherein the operating end of the body is hollow or otherwise has a bore defining an operating chamber and a chamber side wall, the chamber side wall having A) opposing angled slots and B) a longitudinal slot intermediate the two angled slots, and b) within the operating chamber a stop assembly comprising i) a rod and ii) a stop element, the stop assembly adapted to move from one end of the angled slots to the other such that when the stop assembly is at the ends of the angled slots furthest removed from toe longitudinal slot none or substantially none of toe stop element extends through the longitudinal slot and past the chamber side wall and when the stop assembly is at the ends of the angled slots closest to toe longitudinal slot, at least a portion of the stop element
  • toe body is cylindrical in shape, or at least the operating end of toe body is cylindrical in shape such that the chamber side walls are cylindrical side walls, as will be discussed and described in detail hereinafter.
  • the instant invention is not limited to cylindrical bodies, it is to be appreciated that, e.g. a square or rectangular body could be employed wherein toe angled slots are in opposing walls and the longitudinal slot in one of the two remaining side walls.
  • the first component of toe extraction tool is the body, preferably a cylindrical body, hairing a longitudinal axis along toe length of the body and a perpendicular axis perpendicular thereto and aligned with the diameter of the cylindrical body.
  • the body is an elongated cylindrical element having a grip end, where the worker or an extraction apparatus is able to securely grab onto or attach to the cylindrical body, and an operating end defined by an operating chamber in which the stop assembly is situated.
  • the body may be made of any suitable, rigid material, e.g., plastic, wood, metal, composite material, etc.
  • the grip end may be solid and the operating end hollow, to tots case, toe operating chamber is typically made by boring out the operating end of the body.
  • the bore may be a concentric bore along the longitudinal axis of the body, a tunnel or channel like bore where the bore linear tortkigh toe sidewall of the bbdy. the like.
  • the body is made of a composite material or metal, it is preferable that the whole of the body be hollow.
  • the body is made from a piece of pipe or pipe-like stock material.
  • toe hollow body can also be made by molding a suitably rigid plastic material or reinforced/filled plastic material.
  • Suitable plastic materials will depend, in part, upon the physical properties of the polymer materials and the forces and stresses that toe tool must undergo during use. Of particular importance is the strength and integrity of the cylindrical side walls in the operating end. Accordingly, the preferred material is metal.
  • toe tool body The dimensions of toe tool body are a practical matter given the task at hand.
  • the tool body at least the operating end of toe tool body, is property sized to allow insertion into the plugs or end caps, especially the hole therein, and may vary depending upon whether the tool is to be used manually or in a mechanical apparatus.
  • the aspect ratio of the tod body i.e., length to diameter, is typically from about 5:1 to about 20:1, preferably from about 8:1 to about 15:1, most preferably about 10:1.
  • a simple hand held extraction tool may have a diameter of 1 inch and a body length of 10 inches. Again, larger or smaller aspect ratios are also useful.
  • the tool body has a grip end and an operating end.
  • the operating end has two sections, the stem section adjacent to or extending from the grip end and an operating section at the opposite end.
  • toe operating end comprises at least 50%, preferably at least 60% or more of toe overall length of the tod body: of course, these percentages are based cm toe understanding that tire stem section is part of the operating end. It is to be appreciated that toe stem section can just as well be an extension of the grip end, even of a diameter consistent with tire grip end, so long as it is not wider or of greater diameter than the operating end since the stem must be able to penetrate into, if not through, toe hole in the dug or end cap.
  • the length of the stem section is sized so as to ensure that when the extraction tool is inserted into toe plug or end cap, toe operating end extends fer enough into arid through the plug or end cap so that toe stop assembly is able to extend past the cylindrical wall of the operating chamber.
  • the grip end For a hand held extraction tool it is desirable for the grip end to have a rubber Or plastic handle or like grip element encasing the grip end or to have a texture, especially a rough texture, or an abrasive (e.g., grip filled paint) or non-slip (e.g., curable rubbery or elastomeric coating) coating applied to the outer surface of the body at the grip end.
  • abrasive e.g., grip filled paint
  • non-slip e.g., curable rubbery or elastomeric coating
  • the body has a constant diameter, where the hole of the plug or end cap is so large or so small such that the diameter of toe operating end would be difficult or uncomfortable for one to firmly grasp
  • the grip end may be modified or constructed to have a lesser or greater diameter, as appropriate, than the operating end or a two-piece body may be used where a given standard diameter grip end is interchangeable with different sized operating ends: the two being fastened to one another.
  • the faces of toe grip end and the operating end that meet and mate may have opposing threaded elements whereby one is threaded onto the other, Other connector/attachment elements will be readily appreciated by those stalled in the art.
  • the grip end may have an attachment element associated therewith or integrated therein.
  • the grip end may have a ring, snap fit element, fastener, or file like that attaches to a mechanical apparatus which then effects the insertion and extraction motion used in extracting file cap or plug.
  • the operating end comprises two regions, the stem region and the operating region.
  • the former has been described above.
  • the latter is characterized by an operating chamber within the body of the operating end which is defined by the sidewa!i(s) of the operating end, specifically in the case of a cylindrical body, the cylindrical side wall and a body end.
  • the critical features of the operating end are tire presence of opposing angled slots and a longitudinal slot intermediate the two angled slots in the cylindrical side wall.
  • the opposing angled slots are angled relative to the longitudinal axis from about 10 degrees to about 85 degrees, preferably from about 25 degrees to about 70 degrees* most preferably about 45 degrees, each having a first slot end closest to the longitudinal slot and the body end and a second slot end furthest from the longitudinal slot and the body end.
  • the width of file slots is to be slightly greater than the diameter or width ofthe rod of the stop assembly and the length of the slots is sufficient such that none or substantially none of the stop element extends beyond the body wall or cylindrical side wall when the rod is at the second slot ends.
  • the length of the angled slots is at least as long as the radius of the stop element or, in the case of a non-circular stop element, the distance from the center of the rod to that end of the stop element that protrudes from the side wall when the rod is at the first stop ends.
  • the angled slots are preferably placed as dose to the body end as practical, most preferably a distance removed from the body end such that the stop element does not extend beyond the body end when the rod is at the second slot ends, most preferably when fire rod is at the first stop ends.
  • the angled slots are removed from the body end by a distance the same as or similar to the radius of the stop element.
  • the cylindrical side wall also has established therein a longitudinal slot parallel to fire longitudinal axis of the body and intermediate, along the Circumference of the cylindrical side wall, the two first slot ends of the angled slots.
  • the longitudinal slot is wider than the width of the stop element and its length is Such that the stop assembly may reciprocate between the first slot ends and the second slot ends without any interference between the stop element and the cylindrical side wall.
  • the exact length and placement of the longitudinal slot depends upon the dimensions of the stop element and the placement of the angled slots.
  • the longitudinal slot extends from a point above the angled slots to the body end such that file slot is open at the body end as well.
  • the longitudinal slot begins a distance that is equal to the radius of the stop element above the second slot ends.
  • the second critical element of the extraction tool is the stop assembly.
  • the stop assembly comprises i) a rod and ii) a stop element and is adapted to move from one end of the angled slots to the other such that when the stop assembly is at the second slot ends none or substantially none of the stop element extends through die longitudinal slot and past the cylindrical side wall and when the stop assembly is at the first slot ends at least a portion of the stop element extends through the longitudinal slot and past toe cylindrical side wall.
  • the rod is preferably a cylindrical rod or pin that is sized to extend from one angled slot to the other at their furthest removed point this generally corresponds to toe diameter of toe operating end of the body.
  • toe length of the pin may be greater than necessary provided that the ends of toe pm do not extend too far past toe side wall(s) of the operating end of the body so as to interfere with the insertion thereof into toe hole in the plug or cap.
  • the preferred rod is cylindrical in shape, other shapes may also be used, e.g., ones having a Square, hexagonal, etc., cross- section so tong as toe rod slides readily along the angled slots.
  • the rod may be formed of any suitable rigid material including wood, metal, plastic, composite, etc.
  • toe rod is a metal rod.
  • the second component of the stop assembly is the stop element.
  • the stop element may be a wheel, disc, wedge or like element that has a hole for accepting toe rod.
  • the stop element may be made of a rigid or semi rigid material such as wood, plastic, rubber, metal, composite, etc. or it may be a two-piece element having a wheel hub and a rubber tire or outer element around its circumference. Where the stop element is round it will have a diameter such that when the rod is in the second slot ends none or substantially none of the Stop element extends through the slot and beyond die cylindrical side wall.
  • the diameter of die stop element is such that when the rod is at the midpoint of die angled slots, corresponding to die greatest distance between die two angled slots, at least a portion of the stop element still extends into die longitudinal slot and, more preferably past die cylindrical side wall.
  • the stop element may be in the shape of a wedge, e.g, a pizza slice or wedge of cheese, or triangle, where a first edge substantially parallels the longitudinal axis of die body, a second edge substantially parallels the perpendicular axis of die body and fee third edge faces the longitudinal slot.
  • Hero the rod is position at or near the comer where the first and second edges meet and fee rod is preferably a cylindrical rod so that die wedge pivots somewhat so that fee end of the wedge defined by fee point where the first and third edges meet comes into contact wife fee inner surface of fee cylindrical wall or the operating chamber, particularly when the second edge of fee wedge has made contact with fee plug or end cap during fee extraction process.
  • a compression spring or like biasing element may be added or incorporate into die operating chamber or the stop assembly to bias fee stop assembly to fee first slot end.
  • a compression spring may be attached to fee first edge to force that edge away from inner wall of the operating chamber, thereby moving or biasing the wedge stop assembly to fee first slot ends.
  • the use of a spring or like biasing element is especially useful if the weight of the stop assembly is such that when the extraction tool is held in a vertical position, grip end up, the stop assembly does not readily move to the first slot ends. It is also especially helpful and useful if the extraction tool is to be used in other than a vertical or near vertical orientation.
  • the extraction tool is preferably assembled by inserting the stop element into the longitudinal slot and aligning fee hole therein with the angled slots and then inserting the rod through one angled slot into and through the hole in the stop element until it then reaches the opposing angled slot.
  • fee rod is inserted sufficiently far that the stop element sits at or hear, preferably at, the midpoint of fee rod.
  • the extraction tool is simple to use in removing plugs or end caps havirig a central hole or bore, especially those plugs or end caps that are placed into the ends of cores, spindles, spools and like elements in winding operations.
  • these plugs or and caps will have a central hole or bore that is cylindrical in shape with a side wall: the depth of which adds strength and integrity to the plug or end cap. in use, the operating «id of the extraction tod is inserted into toe central hole or bore.
  • toe stop element As the operating end of toe extraction tod is inserted, that portion of the stop element extending through the longitudinal dot and beyond toe cylindrical side wall comes into contact with toe wall of the central hole or bore of toe plug or end cap * As toe insertion continues, toe stop element is force back into toe operating chamber. This causes toe rod to move in toe s!d from the first dot end to toe second slot end. Because the force is both inward and upward, movement of the rod along the angled slot Is quite easy and unimpeded.
  • toe weight or bias of the stop assembly will move toe rod from the second slot end to the first slot end whereby at least a portion of the stop element will extend through the longitudinal slot and sufficiently past the cylindrical side wall of the body so that it extends past the side wall of the central hole or bore of the plug or end cap.
  • the downward force of the plug or end cap on the stop element prevents the stop assembly from riding up the angled slot which would otherwise allow the Stop element to retract into the operating chamber. Instead, the continued retraction motion will cause toe plug dr end cap to be removed from the core, spool, spindle, etc. in which it resided.
  • toe tool may be modified Such that a plurality of spaced elements corresponding to toe operating ends are attached to a single grip end whereby multiple plugs or end caps may be extracted simultaneously.
  • intermediate the grip end and the operating ends there is a structure or frame having a planar configuration with the grip end or grip element attached to one surface thereof and a plurality of operating ends or operating elements equivalent to the operating end of the single unit tool, extending from the other surface.
  • the structure or frame may be linear (especially if there are only two or three operating ends), triangular, square, rectangular, or the like.
  • toe selection of the shape of toe structure or frame and the location of the operating elements thereon depends upon toe number of operating elements so as to balance the same. Specifically, it is desirable to ensure that the grip element and toe operating elements are located so as to provide a balanced tool, i.e., one where if a string were tied to toe grip and the tool held by the string, the plane of the structure or frame would be parallel to toe ground.
  • this multi-extraction capable tool may be used manually, it is preferably used in association with a mechanical apparatus effects the operation of the tool in the extraction process. As noted above, in this instance, the grip end will likely have a means to attach the tool to the mechanical apparatus.
  • Figs. 1A thru 1D present a 360° side view of an extraction tool 1 according to a first embodiment.
  • the extraction tool comprises a body 2 having a grip end 3 and an operating end 4, toe latter comprising an operating section 5 and a stem section 6.
  • Figs. 1A and 1C present opposite side views of the extraction tool showing the angled slots 8 having first dot ends 15 and second slot ends 16 and toe stop assembly 10 comprising a wheel or disc stop element 12 and a rod or pin 14.
  • Fig. 1B presents a front view of the tool showing the stop assembly 10 within the operating chamber 18 as well as the longitudinal slot 17 through which the stop element extends in use.
  • toe longitudinal slot is shown extending from above toe angled slots to the and including toe end 26 of the tool body.
  • This view also shows the stop element 12 centered on the pin 14 with the ends 20 of the pin extending to the cylindrical side wall 21 of the body 2.
  • Fig. 1 D presents a back view of the tool where one sees the second slot ends 16
  • Figs. 2A thru 2D present a 360° side view of an extraction tool 30 according to a second embodiment.
  • the extraction tool comprises body 32 having a grip end 33 and an operating end 34 the latter comprising an operating sectioh 35 and a stem section 36.
  • Fig. 2A presents a side view of the extraction tool showing the angled slots 38 having a first slot end 44 and a second slot end 45 and the stop assembly 50.
  • Fig. 2B presents the same view with a portion of the body exterior removed so as to expose the operating chamber 58 as well as the stop assembly
  • tine stop assembly comprises a wedge stop element
  • Fig. 2B shows the stop dement in its extended state with the pin at the first slot ends of the angled slots and the comer of the stop element where the second and third edges meet 60 extending beyond the cylindrical side wall 62 of the operating end of the body.
  • Fig. 20 shows the stop element in its retracted state with the pin at the second slot ends of the angled slots and the comer of the stop element where the second and third edges meet 60 extending to or just beyond the cylindrical side wall.
  • FIGs, 2B and 2C show tiie angled slot present In that portion of the side wall that is removed in dotted lines.
  • FIG. 2D presents a frontal view of this embodiment showing tiie longitudinal slot 64 extending from above tiie angled slots 38 to a point below tiie angled slots , but above the body end 66. Within the longitudinal slot one sees the third edge 54 of the stop dement 51. Similarly , one sees the ends of the pin 56 in the first dot ends 44 of the angled slots.
  • Figs. 3A and 3B and Figs; 4A and 4B depict a disc shaped stop element and stop assembly, respectively.
  • Fig, 3A is a side view of a disc shaped stop element 70 having a hole 72 for accepting a pin.
  • Figs. 4A and 4B show the assembled stop assembly 73 comprising tiie disc stop element 70 and a pin 74 extending through the hole. This is more clearly seen in Fig. 4B which is a cross- sectional presentation of tiie assembly of Fig.4A along the line 4-4.
  • Figs. 5A and SB and Figs. 6A and 6B depict a wedge Shaped stop element and stop assembly, respectively.
  • Fig. 5A is a side view of a wedge shaped stop element 80 having a hole 82 for accepting a pin.
  • Figs. 6A and 6B show foe assembled stop assembly 83 comprising foe wedge shaped stop element 80 and a pin 84 extending through the hole. This is more clearly seen in Fig. 6B which is a cross-sectional presentation of foe assembly of Fig. 6A along the line 6-6.
  • Figs. 7 and 8 present a side view and a cross-sectional view of a third embodiment of the present invention.
  • Fig. 8 is a cross-sectional view taken along the line 7-7 of Fig. 7.
  • the extraction tool 100 has a body 102 which is hollow and is defined by cylindrical side wall 104.
  • This embodiment employs a disc stop assembly 106 in the operating chamber 108.
  • the stop assembly comprises a disc stop element 121 and a pin 114 which, in foe state presented, extends through the longitudinal slot 110 which extend from above the angled slots 111 to the end of the body 113.
  • the grip end 120 of the body 102 has a grip element 122 overlaying the grip end, with the grip end inserted into a bore or cylindrical recess in the grip element.
  • Fig. 9 presents a partial cross-sectional view of yet another embodiment, similar to that of Figs. 2A fore 2D, with a stop assembly 129 having a wedge shaped stop element 130 and pin 131 within the operating chamber 132 defined by the cylindrical side wall 134.
  • foe wedge shaped element has a compression spring or element 138 along is first edge 140 which compression spring biases the stop assembly to its extended position with foe carrier of foe wedge defined by its second and third edges extending through the longitudinal slot 137 and past foe cylindrical side wail 134.
  • A® foe stop assembly moves from foe extended position to foe retracted position, the compression spring compresses, and the pin moves along the angled slots (not shown) while the wedge stop element/stop assembly pivots about the pin with the comer of the wedge stop element defined by the first and third edges, site against the inner surface 144 of the cylindrical sidewall 134.
  • the stem section 136 as well as the grip end 140 are solid and the grip end has a textured surface or an abrasive coating or non-slip coating148 applied to the surface thereof.
  • Figs. 1QA and 10B depict a two-piece extraction tool 200 having a separate operating end 202 and a separate grip end 204 wherein the lower end surface 205 of the grip end has a male threaded element 206 which foreadingiy engages a female threaded bore 208 in the upper end surface 210 of the operating end.
  • Fig 10 a shows foe assembled extraction tool while Fig. 10B presents an elevated view of the unassembled extraction tool.
  • the remaining elements of this embodiment are as presented in Fig. 1A.
  • other fastener means may be employed and tire elements of each may be switched from one of the operating end or the grip end to the other.
  • the male threaded element could be on the operating end and the female threaded element on the grip end.
  • This ability to make a modular extraction tool allows one to switch out the operating ends to accommodate different plugs and end caps.
  • the hole in the plug or end caps may have a different shape, a different diameter, a longer side wall, etc. which may necessitate a different configuration of the operating end.
  • one is able to maintain a given grip size, regardless of the size of tire operating end.
  • one can switch the grip ends if one desires to switch between manual operation and extraction using a mechanical apparatus, e.g., automated extraction.
  • Fig. 12A and 128 present yet another embodiment of the extraction tool 400.
  • the operating chamber of this embodiment is a linear or tunnel bore 404 through the sidewall of the the operating end 406 along the body axis.
  • Fig. 12A presents a face on view of tiie extraction tool 400 whereas Fig, 128 presents the cross-sectional view along the line 11-11 of Fig. 11A.
  • the sidewalls 408 of the operating chamber are thicker and stronger than with the sidewalls associated with the concentric bore as shown iri, for example, Fig, 9. This could be important depending upon the forces needed to extract the plugs or end caps from the core elements.
  • FIGs. 12A through 12D depict the sequence of use of the extraction tool 300 in extracting an end cap 302 from a core 304.
  • the longitudinal body 310 of the extraction tool 300 ip aligned with the hole or bore 306 in the piug or end cap.
  • the operating end 312 of the extraction tool is then inserted into the bore or hole 306.
  • the stop element 318 makes contact with the wall 308 of the bore or hole (reusing the stop element hence the stop assembly, to retract into the operating chamber, as described above.
  • toe extraction tool results in the extraction tool and end cap being removed or extracted from the end of the core 304.
  • the end cap can then be removed by sliding the end cap up and off the grip end 320 of the extraction tool or by turning the extraction tod upside down so that the stop assembly retracts into the operating chamber and then sliding the end cap off the operating end of the extraction tool .

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Abstract

L'invention concerne un outil (1) pour extraire des bouchons ou des capuchons d'extrémité.
PCT/US2018/054929 2018-10-09 2018-10-09 Dispositif de retrait de capuchon d'extrémité Ceased WO2020076293A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2018/054929 WO2020076293A1 (fr) 2018-10-09 2018-10-09 Dispositif de retrait de capuchon d'extrémité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2018/054929 WO2020076293A1 (fr) 2018-10-09 2018-10-09 Dispositif de retrait de capuchon d'extrémité

Publications (1)

Publication Number Publication Date
WO2020076293A1 true WO2020076293A1 (fr) 2020-04-16

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PCT/US2018/054929 Ceased WO2020076293A1 (fr) 2018-10-09 2018-10-09 Dispositif de retrait de capuchon d'extrémité

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WO (1) WO2020076293A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1553171A (en) * 1924-12-29 1925-09-08 Floyd P Jones Valve-seat puller
US3654686A (en) * 1969-12-08 1972-04-11 K D Mfg Co Clamping tool
US4460087A (en) * 1982-09-30 1984-07-17 Westvaco Corporation Core plug
EP1284231A2 (fr) * 2001-08-18 2003-02-19 Frank Germeroth Bouchon
WO2007128094A1 (fr) * 2006-05-05 2007-11-15 Catalyst Paper Corporation Adaptateurs de noyau jetables/recyclables
US20170190036A1 (en) * 2015-12-31 2017-07-06 John Harmon Gland puller

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1553171A (en) * 1924-12-29 1925-09-08 Floyd P Jones Valve-seat puller
US3654686A (en) * 1969-12-08 1972-04-11 K D Mfg Co Clamping tool
US4460087A (en) * 1982-09-30 1984-07-17 Westvaco Corporation Core plug
EP1284231A2 (fr) * 2001-08-18 2003-02-19 Frank Germeroth Bouchon
WO2007128094A1 (fr) * 2006-05-05 2007-11-15 Catalyst Paper Corporation Adaptateurs de noyau jetables/recyclables
US20170190036A1 (en) * 2015-12-31 2017-07-06 John Harmon Gland puller

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