EP0050429B2 - Maschine zum Zwicken der Seitenbereiche von Schuhschäften - Google Patents
Maschine zum Zwicken der Seitenbereiche von Schuhschäften Download PDFInfo
- Publication number
- EP0050429B2 EP0050429B2 EP19810304527 EP81304527A EP0050429B2 EP 0050429 B2 EP0050429 B2 EP 0050429B2 EP 19810304527 EP19810304527 EP 19810304527 EP 81304527 A EP81304527 A EP 81304527A EP 0050429 B2 EP0050429 B2 EP 0050429B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lasting
- band portion
- clamp member
- last
- elements
- 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
Links
- 230000002045 lasting effect Effects 0.000 title claims description 79
- 210000003746 feather Anatomy 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D21/00—Lasting machines
- A43D21/003—Lasting machines with lasting strings, stretching straps or the like, for forming the shank portions of shoes
Definitions
- shoe where used herein is used generically as indicating articles of outer footwear generally, including such articles in the course of manufacture.
- a machine for lasting side portions of shoe uppers comprising a support for a shoe last on which an upper, the side portions of which are to be lasted, and an insole are positioned, and two side lasting assemblies arranged to act on opposite side portions of an upper positioned on a last supported by said support, wherein each side lasting assembly comprises clamping means, comprising at least one clamp member, movable towards the support to clamp a side portion of the upper against its last at a locality spaced from the feather line thereof, lasting element means comprising a plurality of lasting elements arranged side-by-side and movable inwardly towards the support so as to cause lasting marginal portions of the side portion of the upper to be wiped over corresponding marginal portions of the insole and be pressed there against, and lasting band means comprising at least one band portion of flexible sheet material arranged to be interposed between the shoe upper on the one hand and the lasting elements and the clamp member(s) on the other, whereby the side portions of the upper are clamped as
- each side lasting assembly comprises a single lasting band which is supported at its upper and lower edges, the arrangement being such that, as the lasting band is moved inwardly towards the last support, a portion thereof intermediate its upper and lower edges first engages the upper in the waist region, continued movement thereafter causing the upper to be deformed in the direction of both the top line and the feather line.
- the inward movement of each assembly is limited by a presser pad between which and the upper the lasting band is interposed, which pad also assists in holding the upper in position against the last during the lasting operation.
- each device in turn comprising a lasting element in the form of a wiping finger, a strap of flexible material one end of which is secured to the wiping finger, and the other end also being secured to a portion of the assembly, and a clamp pad between which and the upper the strap is interposed.
- each device operates independently of the others, the arrangement being such that each assembly is moved bodily towards the shoe and the presser pads are brought into pressing engagement with the band against the upper, thus to clamp the upper against the last at a locality closely adjacent the feather line.
- the pressure applied by the pads is increased as the wipers move inwardly to wipe lasting marginal portions of the upper against corresponding marginal portions of the insole and press them thereagainst.
- the wiping fingers are cammed down from an out-of-the-way position to lay the lasting marginal portions of the upper over corresponding marginal portions of the insole and press them thereagainst.
- two lasting machines in a first of which two side lasting assemblies are provided, each comprising a plurality of lasting bands which are pressed against the upper by clamp members in the form of fingers the bands being capable of limited movement heightwise of the last thus to provide an updraft on the upper prior to lasting marginal portions thereof being folded over the insole edge and pressed against corresponding marginal portions of the insole.
- the bands serving the function of both updrafting and overlaying members.
- a machine having two side lasting assemblies, each comprising a plurality of lasting elements and a plurality of bands, but in this case no clamping pads are provided, the upper merely being engaged by the bands which are drawn over the insole edge, together with lasting marginal portions of the upper, during the in-wiping movement of the lasting elements.
- the use of wiping fingers or similar lasting elements is advantageous in ensuring a sharp feather edge on the finished shoe and also an adequate bedding down of the lasting marginal portions on to corresponding marginal portions of the isole, so that the mere application of an updrafting force does not in itself necessarily provide a good result in the finished shoe.
- each band portion of each side lasting assembly is flexible but substantially non-stretchable and is yieldingly secured at its end opposite to the lasting elements, whereby inward movement of the lasting elements to wards the support as aforesaid is effective to draw the band portion(s) heightwise of the shoe in a direction from the top line to the teather line thereof, and in that the or each band portion is pressed by the clamp member(s) against the side portion of the upper as aforesaid under a pressure which, as the or each band portion is so drawn by the inward movement of the lasting elements, allows the band portion(s) to slide between the last and the clamp member(s) but by which the or each band portion is pressed against the shoe upper sufficiently cause the portion of the upper engaged thereby to be drafted on its last in said direction.
- the lasting elements are utilised to apply a controlled drafting force to the upper through the band portion(s), the control being specifically achieved by the action of the clamp member(s) acting on the band portion(s).
- the upper-engaging surface of the or each band portion is such as to cause the upper to be frictionally engaged thereby, thus to apply a drafting force to the upper as aforesaid and at least one of the opposite surface of the or each band portion and the surface of the or each clamp member engaging such opposite surface is a low-friction surface.
- the aforementioned surface of the each clamp member may be of polytetrafluoroethylene.
- the or each band portion may be made of a laminated sheet material having a first layer which comprises the upper-engaging surface and which provides sufficient friction to apply a drafting force the upper engaged thereby, and a second layer which comprises a low-friction surface which is engaged by the clamping member(s).
- the sheet material from which the or each portion is made has a modulus not less than 586.24 N/cm2 (850 p.s.i.) at 100% elongation (as per the ASTM test procedure).
- the holding pressure applied by the clamp member(s) to the upper-engaging band portion(s) is preferably of the order of 13.79 N/cm2 (20 lbs/sq. in.).
- the or each clamp member is mounted for pivotal movement about an axis extending heightwise of the last.
- the clamping means comprises a plurality of clamp members, desirably the position of each such axis in relation to its clamp member, and also the cross-secional shape, viewed along said axis, of each clamp member, are such as to enable the clamp members to pivot without adjacent members binding on one another.
- preferably fluid pressure operated means is provided for effecting movement of the clamp member(s) towards the last support as aforesaid.
- locking means e.g. a bar lock arrangement associated with the or each clamp member, is also provided for locking the clamp member(s) in position after having been moved towards the last support to hold the band portion(s) as aforesaid.
- the machine in accordance with the invention is preferably constructed and arranged in such a manner that operation of the fluid pressure operated means is also effective to cause inward movement of the lasting elements to take place, further fluid pressure operated means also being provided for effecting further inward movement of the lasting elements, when the or each clamp member is holding the band portion(s) against the upper as aforesaid.
- further inward movement of the lasting elements is through a predetermined distance.
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Claims (8)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8022148A FR2492237A1 (fr) | 1980-10-16 | 1980-10-16 | Machine a mettre sur forme et a monter les cotes des tiges de chaussures |
FR8022148 | 1980-10-16 | ||
GB8035768 | 1980-11-07 | ||
GB8035768 | 1980-11-07 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0050429A2 EP0050429A2 (de) | 1982-04-28 |
EP0050429A3 EP0050429A3 (en) | 1982-10-06 |
EP0050429B1 EP0050429B1 (de) | 1985-03-27 |
EP0050429B2 true EP0050429B2 (de) | 1992-01-22 |
Family
ID=26222033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19810304527 Expired EP0050429B2 (de) | 1980-10-16 | 1981-09-30 | Maschine zum Zwicken der Seitenbereiche von Schuhschäften |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0050429B2 (de) |
CS (1) | CS253563B2 (de) |
DE (1) | DE3169563D1 (de) |
ES (1) | ES506898A0 (de) |
WO (1) | WO1982001302A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4462132A (en) * | 1980-11-07 | 1984-07-31 | Usm Corporation | Shoe upper conforming machine |
EP0073642A3 (de) * | 1981-08-28 | 1985-10-30 | British United Shoe Machinery Limited | Maschine zum Aufleisten der Fersenbereiche von Schuhen |
EP0091300A1 (de) * | 1982-04-02 | 1983-10-12 | British United Shoe Machinery Limited | Seitenzwickmaschine |
GB8810109D0 (en) * | 1988-04-28 | 1988-06-02 | British United Shoe Machinery | Apparatus for lasting toe side & heel seat portions of shoe |
US5940859A (en) | 1995-12-19 | 1999-08-17 | Intel Corporation | Emptying packed data state during execution of packed data instructions |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1722499A (en) * | 1929-07-30 | Lasting machine | ||
US1843232A (en) * | 1929-07-15 | 1932-02-02 | United Shoe Machinery Corp | Lasting machine |
US1943344A (en) * | 1931-08-04 | 1934-01-16 | United Shoe Machinery Corp | Machine for use in the manufacture of shoes |
GB1079611A (en) * | 1963-05-04 | 1967-08-16 | British United Shoe Machinery | Improvements in or relating to shoe upper conforming machines |
US3678522A (en) * | 1970-04-28 | 1972-07-25 | Gottwaldov Z Pres Stroj Np | Shaping machine for shoe uppers |
GB1559171A (en) * | 1975-09-18 | 1980-01-16 | Clark Ltd C & J | Manufacture of shoes |
DE2650680A1 (de) * | 1976-11-05 | 1978-05-11 | Schoen & Cie Gmbh | Vorrichtung zum umlegen des schaftrandes in einer spitzenzwickmaschine |
GB2047072B (en) * | 1979-04-21 | 1983-02-02 | British United Shoe Machinery | Shank lasting wipers |
-
1981
- 1981-09-30 DE DE8181304527T patent/DE3169563D1/de not_active Expired
- 1981-09-30 EP EP19810304527 patent/EP0050429B2/de not_active Expired
- 1981-10-15 ES ES506898A patent/ES506898A0/es active Granted
- 1981-10-15 WO PCT/US1981/001391 patent/WO1982001302A1/en unknown
- 1981-10-16 CS CS817615A patent/CS253563B2/cs unknown
Also Published As
Publication number | Publication date |
---|---|
CS761581A2 (en) | 1984-06-18 |
ES8301096A1 (es) | 1982-12-01 |
CS253563B2 (en) | 1987-11-12 |
DE3169563D1 (en) | 1985-05-02 |
EP0050429B1 (de) | 1985-03-27 |
ES506898A0 (es) | 1982-12-01 |
EP0050429A3 (en) | 1982-10-06 |
EP0050429A2 (de) | 1982-04-28 |
WO1982001302A1 (en) | 1982-04-29 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AK | Designated contracting states |
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PUAL | Search report despatched |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19821012 |
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RBV | Designated contracting states (corrected) |
Designated state(s): DE GB IT |
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ITF | It: translation for a ep patent filed | ||
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AK | Designated contracting states |
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REF | Corresponds to: |
Ref document number: 3169563 Country of ref document: DE Date of ref document: 19850502 |
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RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: USM CORPORATION Owner name: BUSM CO. LIMITED |
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PLBI | Opposition filed |
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26 | Opposition filed |
Opponent name: INTERNATIONAL SHOE MACHINE CORP. Effective date: 19851216 |
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26 | Opposition filed |
Opponent name: SCHOEN & CIE. GMBH MASCHINENFABRIK Effective date: 19851222 |
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ITPR | It: changes in ownership of a european patent |
Owner name: CESSIONE;BUSM CO. LIMITED |
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RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: BRITISH UNITED SHOE MACHINERY LIMITED |
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ITPR | It: changes in ownership of a european patent |
Owner name: CAMBIO RAGIONE SOCIALE;BRITISH UNITED SHOE MACHINE |
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