EP0589449A1 - Nadel für ein Ausgabegerät von Kunststoff-Befestigungselementen - Google Patents

Nadel für ein Ausgabegerät von Kunststoff-Befestigungselementen Download PDF

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Publication number
EP0589449A1
EP0589449A1 EP93115347A EP93115347A EP0589449A1 EP 0589449 A1 EP0589449 A1 EP 0589449A1 EP 93115347 A EP93115347 A EP 93115347A EP 93115347 A EP93115347 A EP 93115347A EP 0589449 A1 EP0589449 A1 EP 0589449A1
Authority
EP
European Patent Office
Prior art keywords
needle
base portion
opening
spring tab
dispensing tool
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.)
Granted
Application number
EP93115347A
Other languages
English (en)
French (fr)
Other versions
EP0589449B1 (de
Inventor
Charles L. Deschenes
Philip G. Backholm
Richard M. Bastien
William J. Cooper
Paul A. Davignon
F.Thomas Bilek
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.)
Avery Dennison Corp
Original Assignee
Avery Dennison Corp
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
Priority claimed from US07/950,420 external-priority patent/US5305939A/en
Priority claimed from US07/950,877 external-priority patent/US5307975A/en
Application filed by Avery Dennison Corp filed Critical Avery Dennison Corp
Publication of EP0589449A1 publication Critical patent/EP0589449A1/de
Application granted granted Critical
Publication of EP0589449B1 publication Critical patent/EP0589449B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C7/00—Affixing tags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C7/00—Affixing tags
    • B65C7/003—Affixing tags using paddle-shaped plastic pins
    • B65C7/005—Portable tools
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H37/00—Machines, appliances or methods for setting fastener-elements on garments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
    • B21G1/00—Making needles used for performing operations
    • B21G1/08—Making needles used for performing operations of hollow needles or needles with hollow end, e.g. hypodermic needles, larding-needles

Definitions

  • the present invention relates generally to tools for use in dispensing plastic fasteners and more particularly to needles which are used in such tools.
  • Plastic fasteners are widely used in commerce to attach tags or other items to articles in a manner which minimizes the risk of inadvertent detachment therefrom.
  • One type of plastic fastener is manufactured in the form of fastener stock comprising a pair of continuously connected, elongated side members which are interconnected by a plurality of thin transverse cross links. Typically, one side member comprises a plurality of end-bars or T-bars joined together by severable connectors.
  • the fastener stock is usually produced by molding or stamping from flexible plastic materials, such as nylon, polyethylene, and polypropylene. Additional information pertaining to fastener stock may be obtained from the following commonly assigned U.S. patents, all of which are incorporated herein by reference: U.S. Pat. No.
  • a tagger gun normally includes a hollow needle having a longitudinal slot extending over its length.
  • the fastener stock is inserted into the tagger gun behind the needle.
  • a trigger mechanism in the gun Upon actuation of a trigger mechanism in the gun, an individual fastener is separated from the fastener stock and is inserted into the desired article of commerce through the needle.
  • the needle includes a shank or "stem" portion which has a relatively sharp tip to permit penetration into the article to be attached and an integrally formed substantially cylindrical base portion.
  • the shank portion is hollow to permit the T-bar end of the fastener to pass therethrough and has a longitudinal slot to permit the filament of the fastener to extend therefrom as the T-bar end moves through the needle.
  • the base portion includes a central bore with an inner diameter equal to the inner diamter of the hollow shank.
  • the base portion also has a longitudinal slot aligned with the slot in the shank.
  • the needle is made by machining the shank portion and the base portion from a single piece of metal. As can readily be appreciated, however, machining metal into a desired shape can be a rather arduous and time-consuming task which allows little margin for error.
  • U.S. Pat. No. 4,273,279 is a needle assembly having a conventional two part structure.
  • the needle assembly includes a shank portion stamped from a piece of a steel and a base portion which is formed of plastic and is molded around the shank portion.
  • One disadvantage with this type of needle is that the molding process is rather expensive, accounting for an overwhelming percentage of the total cost of manufacturing the needles.
  • needles used in tagger guns tend to break frequently and require replacement, they are typically removably mounted in an opening formed in the front end or "nose" of the tagger gun and are releasably secured therein by means of a locking mechanism in the tagger gun.
  • the needle locking mechanism includes a locking pin, which engages a corresponding recessed area formed in the needle.
  • the locking pin is also provided with a cut-out slot which provides a passageway for insertion and removal of the needle.
  • the locking pin is biased in its locking position by means of a spring mounted in the tagger gun. When the locking pin is pushed towards the spring to compress it, the slot on the locking pin aligns with the needle to free it for removal.
  • that portion of the locking pin engaging the recessed area of the needle in locking position is rectangular or square in cross-section.
  • the above-described needle locking mechanism suffers from certain disadvantages.
  • the needle may be inserted into the opening in the tagger gun in any one of an infinite number of angular orientations.
  • An inherent problem with this mounting procedure is that it is not intuitively obvious or readily apparent as to what angular orientation is correct. If the angular orientation of the needle is incorrect, the locking pin will not properly engage the recessed area in the needle, frequently resulting in needle breakage or in the jamming of the needle in the tagger gun, or in an ineffective locking of the needle.
  • one or more components of the locking mechanism may break or require replacement after repeated or prolonged use.
  • a needle assembly adapted for removable mounting on the front end of a tagger gun is disclosed.
  • the needle assembly comprises a needle encased in a holder which may be easily secured to and removed from the front end of the tool, the holder defining in conjunction with the remainder of the tool at least a major portion of the feed track.
  • the needle is a hollow slotted metal structure and the holder is comprised of plastic which is injection molded around the needle.
  • a needle for use as part of a fastener dispensing tool comprises an elongated member having a stem portion and a base portion, the stem portion being generally cylindrically shaped and terminating in a sharp tip at its front end, the base portion being sized and shaped for insertion into the nose of the fastener dispensing tool, the base portion having a spring tab for releasably securing the base portion within the nose of the fastener dispensing tool and a generally cylindrically shaped bottom section, the needle having a longitudinally extending slot extending through said stem portion and said bottom section of said base portion.
  • the base portion and the stem portion of the needle are made from a single sheet of metal by a stamping and/or rolling technique.
  • the base portion of the needle is preferably shaped to include a second spring tab.
  • a first portion of one of the spring tabs is sized and shaped to releasably engage a recessed area formed in the nose so as both to prevent unintended removal of the base portion therefrom and to limit rearward insertion of the base portion into the nose.
  • a second portion of the same tab is sized and shaped to engage another portion of the nose so as to prevent vertical movement of the base portion therewithin.
  • the other spring tab serves as a registration member to align the base portion in its desired longitudinal, vertical and angular orientations.
  • a needle for use as part of a tool for dispensing plastic fasteners, the needle being constructed according to the teachings of the present invention and represented generally by reference numeral 11.
  • Needle 11 which is preferably made by stamping and/or rolling a single sheet of metal, comprises an elongated, hollow, cylindrically shaped stem portion 13. Stem portion 13 terminates at its forward end with a relatively sharp tip 15 and is provided with a longitudinally extending slot 17.
  • the inner diameter of stem portion 13 is somewhat larger than the outer diameter of the T-bar end of a plastic fastener (not shown) to be dispensed through needle 11.
  • the width of slot 17 is sufficiently large to accommodate the cross-link portion of the fastener to be dispensed through the needle.
  • Needle 11 also includes a base portion 19.
  • Base portion 19 includes a cylindrically shaped bottom section 21 which has an inner diameter substantially equal to the inner diameter of stem portion 13 and is aligned therewith.
  • a longitudinally extending slot 23 is formed in bottom section 21 and is aligned with slot 17 of stem portion 13 so as to permit the cross-link of the fastener being dispensed by the tool to extend from the T-bar end as the latter is pushed through the needle.
  • Base portion 19 also includes a pair of spring tabs 24 and 27 which extend generally upwardly and outwardly on opposite sides of slot 23.
  • base portion 19 of needle 11 is sized and shaped for insertion into an opening 31 formed at the front end or nose 33 of a tagger gun, see Figs. 5 and 6.
  • base portion 19 of needle 11 When being assembled, base portion 19 of needle 11 is inserted into opening 31 from front 34 of front end 33.
  • spring tabs 24 and 27 press against the inner walls 37 and 39 of opening 31.
  • Tab 24 includes a first portion 25 and a second portion 26.
  • First portion 25 is shaped to fit into a recessed area of opening 31 in such a way as to prevent the unintended removal of base portion 19 from opening 31.
  • first portion 25 of tab 24 extends up above opening 31 in such a way as to permit a user to grasp it and to push it inwardly out of engagement with the recessed area so that base portion 19 may be removed from opening 31.
  • Second portion 26 of tab 24 is shaped and located relative to first portion 25 so as to abut another portion of opening 31 in such a way as to minimize vertical movement of base portion 19 within opening 31.
  • Tab 27 serves as a registration member which helps to keep the needle in its desired longitudinal, vertical and axial orientation when mounted on the tagger gun.
  • needle 11 is made of a metal of the type typically used in tagger gun needles.
  • suitable metals for needle 11 are a beryllium/copper alloy, stainless steel, and plated or coated steel.
  • one advantage to the construction of the needle of the present invention is that the needle can be manufactured in its entirety by a stamping and/or roll forming process. Such a process is considerably less expensive and time-intensive than the machining process or the combination stamping/molding process described above in connection with the manufacture of conventional needles.
  • opening 31 in front end 33 is of a general slot type configuration extending in from front 34 of nose 33 and down from the top 34-2 of nose 33. Opening 31 is defined by a curved bottom wall 35 and a pair of upwardly extending side walls 37 and 39. Bottom wall 35 is shaped to receive bottom section 21 of base 19. Side walls 37 and 39 are shaped to receive tabs 24 and 27, respectively.
  • Side wall 37 includes an inwardly tapering front portion 40 and a rearwardly disposed, generally rectangularly shaped, recessed area 41.
  • Front portion 40 includes a notch 42, which is sized and shaped to receive second portion 26 of tab 24.
  • Notch 42 is defined in part by a top surface 42-1, which serves to limit vertical movement of second portion 26 of tab 24 when base portion 19 is inserted into opening 31 (see Fig. 8).
  • Area 41 is defined by a rear surface 41r, a side surface 41s, and a front surface 41f. Area 41 is appropriately dimensioned so that, when first portion 25 of tab 24 is inserted thereinto (i.e., when base portion 19 is fully inserted into opening 31), longitudinal movement of base portion 19 within opening 31 is prevented.
  • Side wall 39 includes a notch 43, which is sized and shaped to recieve tab 27.
  • Notch 43 is defined in part by a top surface 43-1, which serves to limit upward movement of tab 27, and a rear surface 43-2, which serves to limit insertion of base portion 19 into opening 31.
  • Walls 37 and 39 also limit rotational movement of base portion 19 by engaging tabs 24 and 27.
  • opening 31 (which spans from the front surface 40f of portion 40 across notch 43) is approximately the same width as the rear end of needle 11 in its relaxed position. Consequently, a user may mount needle 11 in opening 31 simply by aligning the rear end of needle 11 with the front end of opening 31 and then sliding needle 11 into opening 31 until first portion 25 of spring tab 24 locks into place in area 41. There is no need to push tab 24 inwardly before pushing base portion 19 through opening 31. Thus, installation of needle 11 in tool 31 can be achieved in one motion and, assuming that nose 33 is kept stationary, can be accomplished using only one hand.
  • FIG. 7 there are shown top, front and side fragmentary views, respectively, of needle 11 fully inserted into opening 31.
  • the top of first portion 25 of tab 24 extends a short distance out of the top of opening 31 to permit it to be manipulated by a user, for instance, in removing needle 11 from the tool. This may be done, as seen in Fig. 7, by pushing first portion 25 towards surface 43 (in the direction of arrow A) until it has cleared surface 41f and then pushing (or pulling) base portion through the front of opening 31.
  • Fig. 10 there is shown a section view of needle 11 mounted in opening 31.
  • that portion of needle 11 that is mounted within opening 31, i.e., base portion 19, has an outer diameter d and a length l.
  • the ratio of diameter to length (d/l) is indicative of the relative strength of needle retention as well as the strength and durability of the tool, with smaller ratios indicating greater strength and greater ratios indicating lesser strength. Comparing the d/l ratio of needle 11 to that for conventional needles of the type described in U.S. Pat. No.
  • needle 11 it is believed that needle 11 is more fully retained and, therefore, more likely to remain in proper alignment than conventional needles of the type described above.
  • a second embodiment of a needle for use as part of a fastener dispensing tool the needle being constructed according to the teachings of the present invention and being represented generally by reference numeral 71.
  • Needle 71 which, like needle 11, is preferably made by stamping and/or rolling a sheet of metal, such as a beryllium/copper alloy, comprises a slotted, hollow, cylindrically-shaped stem portion 73 substantially identical to stem portion 13 of needle 11. Needle 71 also includes a base portion 75, which includes a slotted cylindrically shaped bottom section 77, which has an inner diameter substantially equal to the inner diameter of stem portion 73 and which is aligned therewith. In addition, base portion 75 includes a generally upwardly extending removal tab 79 and a generally laterally extending wing 81.
  • wing 81 is split to include a spring tab 83, which functions to releasably secure base portion 75 within a suitably shaped slot formed in the nose of a fastener dispensing tool.
  • a spring tab 83 which functions to releasably secure base portion 75 within a suitably shaped slot formed in the nose of a fastener dispensing tool.
  • Fig. 12 which illustrates a generally T-shaped slot 85 formed in the nose of a fastener dispensing tool 87. Depression of spring tab 83 within slot 85 for purposes of removing needle 71 from tool 87 may be achieved by pushing downwardly on a release button 89 integrally formed on tagger gun 87.
  • a third embodiment of a needle for use as part of a fastener dispensing tool the needle being constructed according to the teachings of the present invention and being represented generally by reference numeral 101.
  • Needle 101 is substantially identical in construction and composition to needle 71, the only difference between needle 71 and needle 101 being that needle 101 does not include a removal tab 79. Like needle 71, needle 101 may be releasably secured within slot 85 of tool 87 (see Fig. 12).
  • FIG. 14 there is shown a fourth embodiment of a needle for use as part of a fastener dispensing tool, the needle being represented generally by reference numeral 151.
  • needle 151 is intended primarily for use with, but is not limited to use with, tagger guns of the type wherein the T-bar of a fastener is loaded into the rear end of the needle from a direction generally perpendicular to the longitudinal slot of the needle.
  • An example of a tagger gun having such a loading mechanism is sold by Dennison Manufacturing Co. under the trademark MARK II PISTOL-GRIP SWIFTACHER TOOL.
  • Needle 151 which may be made from the same materials used to make needle 11, is preferably made by stamping and/or rolling a single sheet of metal.
  • needle 151 comprises an elongated, hollow, cylindrically shaped stem portion 153.
  • Stem portion 153 terminates at its forward end with a relatively sharp tip 155 and is provided with a longitudinally extending slot 157.
  • the inner diameter of stem portion 153 is somewhat larger than the outer diameter of the T-bar end of a plastic fastener (not shown) to be dispensed through needle 151.
  • the width of slot 157 is sufficiently large to accommodate the cross-link portion of the fastener to be dispensed through the needle.
  • Needle 11 also includes a base portion 159.
  • Base portion 159 includes a bottom section 161 which is shaped to define a longitudinally extending slot 163. Slot 163 is aligned with slot 157 of stem portion 153 so as to permit the cross-link of the fastener being dispensed by the tool to extend from the T-bar as the latter is pushed through the needle.
  • the front portion of bottom section 161 is generally cylindrical in shape and has an inner diameter substantially equal to the inner diameter of stem portion 153.
  • the rear portion of bottom section 161 is shaped to define a V-shaped cutting element 162, which may be used to sever an individual fastener from fastener stock.
  • Base portion 159 also includes a pair of spring tabs 165 and 167 which extend upwardly from opposite sides of slot 163 and are bent outwardly away from each other.
  • Tab 165 includes a first portion 166 and a second portion 168.
  • First portion 166 and second portion 168 perform substantially the same functions as first portion 25 and second portion 26 of tab 24, respectively.
  • Tab 167 in addition to performing substanially the same functions as tab 27 of needle 11, is rounded to form a shelf 170, upon which a T-bar rests as it is loaded into needle 151 in the direction indicated by arrow B.
  • FIGs. 16 and 17 there are shown front and right side views, respectively, of a tagger gun nose 171 into which needle 151 may be removably mounted. Needle 151 is shown mounted in nose 171 in Figs. 18 and 19.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Labeling Devices (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP93115347A 1992-09-23 1993-09-23 Nadel für ein Ausgabegerät von Kunststoff-Befestigungselementen Expired - Lifetime EP0589449B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US950420 1992-09-23
US07/950,420 US5305939A (en) 1992-09-23 1992-09-23 Needle for use as part of a plastic fastener dispensing tool
US950877 1992-09-23
US07/950,877 US5307975A (en) 1992-09-23 1992-09-23 Needle for use as part of a plastic fastener dispensing tool

Publications (2)

Publication Number Publication Date
EP0589449A1 true EP0589449A1 (de) 1994-03-30
EP0589449B1 EP0589449B1 (de) 1997-08-06

Family

ID=27130302

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93115347A Expired - Lifetime EP0589449B1 (de) 1992-09-23 1993-09-23 Nadel für ein Ausgabegerät von Kunststoff-Befestigungselementen

Country Status (7)

Country Link
EP (1) EP0589449B1 (de)
JP (1) JPH06323312A (de)
KR (1) KR950703466A (de)
AU (1) AU5137293A (de)
CA (1) CA2106720C (de)
DE (1) DE69312834T2 (de)
WO (1) WO1994006688A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3860838B2 (ja) 1995-08-23 2006-12-20 ユニバーシティー オブ ブリティッシュ コロンビア 抗微生物性陽イオン性ペプチドおよびそのスクリーニング方法
JP4532081B2 (ja) * 2002-07-04 2010-08-25 有限会社エムアイティインターナショナル ループピン結合装置
CA2757870C (en) 2009-04-30 2016-02-02 Cook Medical Technologies Llc System and method for fiducial deployment
US9072542B2 (en) 2009-12-18 2015-07-07 Cook Medical Technologies Llc System and method for fiducial deployment
US8838208B2 (en) 2011-06-28 2014-09-16 Cook Medical Technologies Llc Fiducial deployment needle system
EP2967642B1 (de) 2013-02-26 2017-02-01 Cook Medical Technologies LLC Ratschengleitgriff und system zum einsatz von bezugsmarken
JP6283128B2 (ja) 2014-06-09 2018-02-21 クック・メディカル・テクノロジーズ・リミテッド・ライアビリティ・カンパニーＣｏｏｋ Ｍｅｄｉｃａｌ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｌｌｃ 基準マーカ留置のためのねじ駆動式ハンドルおよびシステム
AU2015355303B2 (en) 2014-12-03 2018-11-01 Cook Medical Technologies Llc Endoscopic ultrasound fiducial needle stylet handle assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2069878A (en) * 1935-05-07 1937-02-09 Dennison Mfg Co Attaching means
CH515039A (fr) * 1969-06-02 1971-11-15 Illinois Tool Works Procédé de fabrication d'une aiguille de guidage pour cathéter souple
US4456161A (en) * 1979-08-31 1984-06-26 Dennison Manufacturing Company Method and apparatus for dispensing fasteners
US4998661A (en) * 1989-09-15 1991-03-12 Dennison Manufacturing Company Needle assembly for fastener dispensing apparatus
US5042558A (en) * 1990-04-06 1991-08-27 Dennison Manufacturing Company Fastener dispensing needle and method of making

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895753A (en) * 1971-06-30 1975-07-22 Dennison Mfg Co Fastener attachment system needle constructions
US3815798A (en) * 1973-05-21 1974-06-11 B Lavitch Button fastener
US3893612A (en) * 1973-06-21 1975-07-08 Dennison Mfg Co Fastener attaching device
US3850360A (en) * 1973-10-19 1974-11-26 E Ritchey Tag applying tool
US3990619A (en) * 1975-11-12 1976-11-09 Dennison Manufacturing Company Fastener attachment needle
US4040555A (en) * 1976-03-26 1977-08-09 Monarch Marking Systems, Inc. Tag attaching apparatus
US4611740A (en) * 1985-03-29 1986-09-16 Kunreuther Steven J Universal needle assembly for fastener attachers
US5024365A (en) * 1989-09-15 1991-06-18 Dennison Manufacturing Company Apparatus for dispensing fasteners

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2069878A (en) * 1935-05-07 1937-02-09 Dennison Mfg Co Attaching means
CH515039A (fr) * 1969-06-02 1971-11-15 Illinois Tool Works Procédé de fabrication d'une aiguille de guidage pour cathéter souple
US4456161A (en) * 1979-08-31 1984-06-26 Dennison Manufacturing Company Method and apparatus for dispensing fasteners
US4998661A (en) * 1989-09-15 1991-03-12 Dennison Manufacturing Company Needle assembly for fastener dispensing apparatus
US5042558A (en) * 1990-04-06 1991-08-27 Dennison Manufacturing Company Fastener dispensing needle and method of making

Also Published As

Publication number Publication date
EP0589449B1 (de) 1997-08-06
CA2106720A1 (en) 1994-03-24
WO1994006688A1 (en) 1994-03-31
CA2106720C (en) 1997-12-16
AU5137293A (en) 1994-04-12
DE69312834T2 (de) 1998-03-12
JPH06323312A (ja) 1994-11-25
DE69312834D1 (de) 1997-09-11
KR950703466A (ko) 1995-09-20

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