EP0454144B1 - Elongated strips for slide fastener end stops - Google Patents
Elongated strips for slide fastener end stops Download PDFInfo
- Publication number
- EP0454144B1 EP0454144B1 EP91106784A EP91106784A EP0454144B1 EP 0454144 B1 EP0454144 B1 EP 0454144B1 EP 91106784 A EP91106784 A EP 91106784A EP 91106784 A EP91106784 A EP 91106784A EP 0454144 B1 EP0454144 B1 EP 0454144B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- legs
- strip
- end stop
- bridge
- stop members
- 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
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/38—Means at the end of stringer by which the slider can be freed from one stringer, e.g. stringers can be completely separated from each other
Definitions
- This invention relates to end stop members for slide fasteners and more particularly to an elongated strip of a pliable material having a multiplicity of serially interconnected prospective end stop members.
- US-A-2 996 797 on which the preamble of claim 1 is based discloses a method of making a separating end connection in which metallic reinforcing end members are connected together with a single centrally located connecting portion.
- the end members are not regarded as end stops in a strict sense. Rather, they are provided to guide the opposite ends of two mating stringer tapes into a box-like retainer member.
- the disadvantage of these conventional end members is that they have sharp edges and projections which can be caught on an object.
- End stop members made of a plastic, most commonly thermoplastic material, are usually applied directly by injection molding onto a slide fastener tape at one end thereof to form a top end stop or at the opposite end to form a bottom end stop, such end stops being adapted to limit the movement of a slider thereat to prevent the latter from moving apart from the slide fastener.
- Injection molding machines used in forming and applying slide fastener end stops are rather difficult to handle with respect to their thermal control and setting the end stops in respective molds, particularly where end stops are switched from one color to another entailing undue waste of time and materials.
- the present invention seeks to provide an elongated strip of a synthetic resin having a succession of interconnected end stops which can be readily cut into an individual end stop and subsequently firmly applied to a slide fastener stringer.
- the invention also seeks to provide such elongated strips of various colors having a multiplicity of prospective end stops flexibly interconnected such that each strip can be stored conveniently separately in a reel or other cartridge means.
- an elongated strip formed from a pliable material and providing a multiplicity of prospective end stop members for a slide fastener, said strip comprising a succession of serially interconnected end stop members and connecting means interconnecting adjacent ones of said end stop members in spaced apart relation, each of said end stop members having a pair of identical legs and a bridge formed centrally between said legs and serving as a hinge about which said legs are foldable across the width of said strip, characterized in that said strip is formed from a synthetic plastic material, that said connecting means comprise a pair of flexible means extending longitudinally between adjacent legs on opposite sides of said bridge, that said bridge formed centrally between said legs is of reduced thickness with respect to that of the legs and that said legs have respective peripheral edges rounded off and protruding beyond the region of said bridge when said legs are folded.
- FIG. 1 there is shown a portion of an elongated strip 10 formed from a synthetic plastic material and having a succession of serially interconnected prospective end stop members 11.
- Adjacent end stop members 11 are spaced apart by a small distance and interconnected by a pair of flexible connecting cords 12 such as of a textile yarn thread, a synthetic plastic monofilament or other flexible or pliable materials, the cords 12 extending in parallel longitudinally through opposite outer edges of the strip 10.
- Each of the prospective end stop members 11 has a pair of identical legs 13, 13 which are adapted to fold across the width of the strip 10 in a manner hereinafter described.
- Each end stop member 11 is notched from opposite ends along a central longitudinal line of the strip 10 to provide a pair of inwardly expanded oblong bights 14 confronting each other across a bridge 15 formed centrally between the legs 13, 13.
- the edges 14' of each bight 14 merge with rounded-off inner peripheral edges 13', 13' of the respective legs 13, 13.
- the bridge 15 is reduced in thickness as better shown in Figure 2 to serve as a hinge about which the end stop member 11 can be accurately and easily folded to bring the two legs 13, 13 in superimposed relation for mounting astride of a tape edge as depicted in Figure 3, in which instance the rounded peripheral edges 13', 13' of the legs 13, 13 protrude outwardly beyond the bridge 15 as shown in Figure 5.
- the legs 13, 13 of the end stop member 11 each have an arcuate groove 16 extending adjacently along their respective outer longitudinal edges and configured to fit snugly over a beaded edge 17 of a slide fastener stringer tape T which is usually cross-sectionally round.
- the elongated end stop forming strip 10 thus constructed is cut transversely along a line 18 extending transversely across the connecting cords 12 between adjacent prospective end stop members 11 to provide an individual end stop 11'.
- This end stop 11' is shown attached with heat and pressure as by means of the arrangement of a supersonic horn 19 and an anvil 20 schematically shown in Figure 4 onto a top end portion of a slide fastener stringer F which as shown in Figure 5 comprises a support tape T and a row of coupling elements E secured thereto.
- the end stop 11' when thus attached to the support tape T is free of any sharp edge portions which tend to catch and impair a garment fabric on which the slide fastener is used. This is due to the construction of the end stop 11' in which the bridge 15 about which it is folded is protected by the rounded-off peripheral edges 13', 13' of the legs 13, 13 which protrude beyond the region of the bridge 15 as better shown in Figure 5.
- the prospective end stop members 11 are interconnected by the flexible connecting cords 12 which render the strip 10 flexible and supple as a whole, thus allowing a substantial length of the strip 10 to be conveniently wound on a reel 30 as depicted in Figure 6.
- a modified elongated strip 10a according to the invention is shown in Figures 7 and 8 and is substantially geometrically identical to the strip 10 in Figure 1 in that each of the prospective end stop members 11a comprises a pair of identical legs 13a, 13a, a pair of bights 14a, 14a, a bridge 15a and a groove 16a, except that the succession of prospective end stop members 11a are interconnected by a connecting extension 21 integral with adjacent end stop members 11a in lieu of the use of the flexible connecting cords 12.
- the connecting extension 21 extends between adjacent end stop members 11a and is reduced in thickness as shown in Figure 8 so as to be easily cut along a transverse cut line 18a.
Landscapes
- Slide Fasteners (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Ropes Or Cables (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Description
- This invention relates to end stop members for slide fasteners and more particularly to an elongated strip of a pliable material having a multiplicity of serially interconnected prospective end stop members.
- US-A-2 996 797 on which the preamble of claim 1 is based discloses a method of making a separating end connection in which metallic reinforcing end members are connected together with a single centrally located connecting portion. The end members are not regarded as end stops in a strict sense. Rather, they are provided to guide the opposite ends of two mating stringer tapes into a box-like retainer member. The disadvantage of these conventional end members is that they have sharp edges and projections which can be caught on an object.
- End stop members made of a plastic, most commonly thermoplastic material, are usually applied directly by injection molding onto a slide fastener tape at one end thereof to form a top end stop or at the opposite end to form a bottom end stop, such end stops being adapted to limit the movement of a slider thereat to prevent the latter from moving apart from the slide fastener. Injection molding machines used in forming and applying slide fastener end stops are rather difficult to handle with respect to their thermal control and setting the end stops in respective molds, particularly where end stops are switched from one color to another entailing undue waste of time and materials.
- With the foregoing drawbacks of the prior art in view, the present invention seeks to provide an elongated strip of a synthetic resin having a succession of interconnected end stops which can be readily cut into an individual end stop and subsequently firmly applied to a slide fastener stringer.
- The invention also seeks to provide such elongated strips of various colors having a multiplicity of prospective end stops flexibly interconnected such that each strip can be stored conveniently separately in a reel or other cartridge means.
- According to the invention, there is provided an elongated strip formed from a pliable material and providing a multiplicity of prospective end stop members for a slide fastener, said strip comprising a succession of serially interconnected end stop members and connecting means interconnecting adjacent ones of said end stop members in spaced apart relation, each of said end stop members having a pair of identical legs and a bridge formed centrally between said legs and serving as a hinge about which said legs are foldable across the width of said strip, characterized in that said strip is formed from a synthetic plastic material, that said connecting means comprise a pair of flexible means extending longitudinally between adjacent legs on opposite sides of said bridge, that said bridge formed centrally between said legs is of reduced thickness with respect to that of the legs and that said legs have respective peripheral edges rounded off and protruding beyond the region of said bridge when said legs are folded.
- The invention will be described below in more detail in conjunction with the accompanying drawings which illustrate by way of example some preferred embodiments.
- Figure 1 is a fragmentary plan view on enlarged scale of an elongated strip according to one form of the invention;
- Figure 2 is a transverse cross-sectional view taken on the line II - II of Figure 1;
- Figure 3 is a transverse cross-sectional view of an individual end stop showing the same folded for attachment onto a slide fastener tape;
- Figure 4 is a cross-sectional view of the end stop shown attached to the tape;
- Figure 5 is a fragmentary perspective view on enlarged scale of a slide fastener stringer to which the end stop from the strip is attached;
- Figure 6 is a perspective view of the strip shown wound on a reel;
- Figure 7 is a view similar to Figure 1 but showing a strip according to another form of the invention; and
- Figure 8 is a fragmentary transverse cross-sectional view taken on the line VIII - VIII of Figure 7.
- Referring now to the drawings and Figure 1 in particular, there is shown a portion of an
elongated strip 10 formed from a synthetic plastic material and having a succession of serially interconnected prospectiveend stop members 11. Adjacentend stop members 11 are spaced apart by a small distance and interconnected by a pair of flexible connectingcords 12 such as of a textile yarn thread, a synthetic plastic monofilament or other flexible or pliable materials, thecords 12 extending in parallel longitudinally through opposite outer edges of thestrip 10. Each of the prospectiveend stop members 11 has a pair ofidentical legs strip 10 in a manner hereinafter described. Eachend stop member 11 is notched from opposite ends along a central longitudinal line of thestrip 10 to provide a pair of inwardly expanded oblongbights 14 confronting each other across abridge 15 formed centrally between thelegs bight 14 merge with rounded-off innerperipheral edges respective legs bridge 15 is reduced in thickness as better shown in Figure 2 to serve as a hinge about which theend stop member 11 can be accurately and easily folded to bring the twolegs peripheral edges legs bridge 15 as shown in Figure 5. - As better shown in Figure 2, the
legs end stop member 11 each have anarcuate groove 16 extending adjacently along their respective outer longitudinal edges and configured to fit snugly over abeaded edge 17 of a slide fastener stringer tape T which is usually cross-sectionally round. - The elongated end
stop forming strip 10 thus constructed is cut transversely along a line 18 extending transversely across the connectingcords 12 between adjacent prospectiveend stop members 11 to provide an individual end stop 11'. This end stop 11' is shown attached with heat and pressure as by means of the arrangement of asupersonic horn 19 and ananvil 20 schematically shown in Figure 4 onto a top end portion of a slide fastener stringer F which as shown in Figure 5 comprises a support tape T and a row of coupling elements E secured thereto. Advantageously, the end stop 11' when thus attached to the support tape T is free of any sharp edge portions which tend to catch and impair a garment fabric on which the slide fastener is used. This is due to the construction of the end stop 11' in which thebridge 15 about which it is folded is protected by the rounded-offperipheral edges legs bridge 15 as better shown in Figure 5. - Further advantageously, the prospective
end stop members 11 are interconnected by the flexible connectingcords 12 which render thestrip 10 flexible and supple as a whole, thus allowing a substantial length of thestrip 10 to be conveniently wound on areel 30 as depicted in Figure 6. - A modified
elongated strip 10a according to the invention is shown in Figures 7 and 8 and is substantially geometrically identical to thestrip 10 in Figure 1 in that each of the prospectiveend stop members 11a comprises a pair ofidentical legs bights bridge 15a and agroove 16a, except that the succession of prospectiveend stop members 11a are interconnected by a connectingextension 21 integral with adjacentend stop members 11a in lieu of the use of the flexible connectingcords 12. The connectingextension 21 extends between adjacentend stop members 11a and is reduced in thickness as shown in Figure 8 so as to be easily cut along atransverse cut line 18a.
Claims (5)
- An elongated strip (10; 10a) formed from a pliable material and providing a multiplicity of prospective end stop members (11; 11a) for a slide fastener, said strip comprising a succession of serially interconnected end stop members (11; 11a) and connecting means (12; 21) interconnecting adjacent ones of said end stop members (11; 11a) in spaced apart relation, each of said end stop members (11; 11a) having a pair of identical legs (13; 13a) and a bridge (15; 15a) formed centrally between said legs (13; 13a) and serving as a hinge about which said legs are foldable across the width of said strip (10; 10a), characterized in that said strip (10; 10a) is formed from a synthetic plastic material, that said connecting means (12; 21) comprise a pair of flexible means extending longitudinally between adjacent legs (13; 13a) on opposite sides of said bridge (15; 15a), that said bridge (15; 15a) formed centrally between said legs (13; 13a) is of reduced thickness with respect to that of the legs and that said legs (13; 13a) have respective peripheral edges (13') rounded off and protruding beyond the region of said bridge (15; 15a) when said legs are folded.
- An elongated strip (10, 10a) according to claim 1 characterized in that said flexible connecting means (12, 12b) is a textile yarn thread.
- An elongated strip (10, 10a) according to claim 1 characterized in that said flexible connecting means (12) is a synthetic plastic monofilament.
- An elongated strip (10, 10a) according to claim 1 characterized in that said flexible connecting means (21) comprises an integral extension (21) of said strip which is reduced in thickness.
- An elongated strip (10, 10a) according to claim 2 characterized in that each of said end stop members (11, 11a) is notched from opposite ends along a central longitudinal line of said strip to provide a pair of oblong bights (14, 14a) confronting each other across said bridge (15, 15a).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP110099/90 | 1990-04-27 | ||
JP2110099A JPH0832245B2 (en) | 1990-04-27 | 1990-04-27 | Synthetic resin end stop connecting band for slide fastener and mounting method of the end stop |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0454144A1 EP0454144A1 (en) | 1991-10-30 |
EP0454144B1 true EP0454144B1 (en) | 1995-04-12 |
Family
ID=14527011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91106784A Expired - Lifetime EP0454144B1 (en) | 1990-04-27 | 1991-04-26 | Elongated strips for slide fastener end stops |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0454144B1 (en) |
JP (1) | JPH0832245B2 (en) |
KR (1) | KR930006071B1 (en) |
AU (1) | AU633204B2 (en) |
BR (1) | BR9101833A (en) |
CA (1) | CA2041090C (en) |
DE (1) | DE69108768T2 (en) |
ES (1) | ES2071153T3 (en) |
FI (1) | FI98700C (en) |
HK (1) | HK105497A (en) |
MY (1) | MY106669A (en) |
ZA (2) | ZA913172B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0634504U (en) * | 1992-10-19 | 1994-05-10 | 吉田工業株式会社 | Synthetic resin stopper |
JP3934027B2 (en) * | 2002-10-23 | 2007-06-20 | Ykk株式会社 | Slide fastener |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2996797A (en) * | 1957-10-02 | 1961-08-22 | Talon Inc | Method of making a separating end connection |
US3755879A (en) * | 1972-06-05 | 1973-09-04 | Scovill Manufacturing Co | Slide fastener manufacture |
US4331493A (en) * | 1977-08-22 | 1982-05-25 | Talon, Inc. | Method of manufacturing welded thermoplastic stringer |
DE2907902A1 (en) * | 1979-03-01 | 1980-09-11 | Heilmann Optilon | ZIPPER |
JPS5652710A (en) * | 1979-10-08 | 1981-05-12 | Canon Inc | Mark finder for camera |
JPH0216651Y2 (en) * | 1985-09-13 | 1990-05-09 | ||
JPH083768B2 (en) * | 1988-06-24 | 1996-01-17 | 松下電器産業株式会社 | Reference voltage generation circuit |
-
1990
- 1990-04-27 JP JP2110099A patent/JPH0832245B2/en not_active Expired - Lifetime
-
1991
- 1991-04-22 AU AU75265/91A patent/AU633204B2/en not_active Ceased
- 1991-04-24 FI FI911994A patent/FI98700C/en not_active IP Right Cessation
- 1991-04-24 CA CA002041090A patent/CA2041090C/en not_active Expired - Fee Related
- 1991-04-25 MY MYPI91000672A patent/MY106669A/en unknown
- 1991-04-26 EP EP91106784A patent/EP0454144B1/en not_active Expired - Lifetime
- 1991-04-26 ZA ZA913172A patent/ZA913172B/en unknown
- 1991-04-26 DE DE69108768T patent/DE69108768T2/en not_active Expired - Fee Related
- 1991-04-26 ZA ZA913173A patent/ZA913173B/en unknown
- 1991-04-26 KR KR1019910006773A patent/KR930006071B1/en not_active IP Right Cessation
- 1991-04-26 ES ES91106784T patent/ES2071153T3/en not_active Expired - Lifetime
- 1991-04-29 BR BR919101833A patent/BR9101833A/en not_active Application Discontinuation
-
1997
- 1997-06-26 HK HK105497A patent/HK105497A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69108768T2 (en) | 1995-11-30 |
FI98700C (en) | 1997-08-11 |
CA2041090A1 (en) | 1991-10-28 |
AU633204B2 (en) | 1993-01-21 |
KR910017985A (en) | 1991-11-30 |
KR930006071B1 (en) | 1993-07-07 |
FI911994A0 (en) | 1991-04-24 |
BR9101833A (en) | 1991-12-17 |
EP0454144A1 (en) | 1991-10-30 |
JPH048303A (en) | 1992-01-13 |
JPH0832245B2 (en) | 1996-03-29 |
DE69108768D1 (en) | 1995-05-18 |
FI911994A (en) | 1991-10-28 |
CA2041090C (en) | 1994-03-29 |
FI98700B (en) | 1997-04-30 |
MY106669A (en) | 1995-07-31 |
HK105497A (en) | 1997-08-15 |
ZA913172B (en) | 1992-02-26 |
ES2071153T3 (en) | 1995-06-16 |
ZA913173B (en) | 1992-02-26 |
AU7526591A (en) | 1991-11-21 |
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