GB530322A - Improvements in or relating to shoe stiffeners - Google Patents
Improvements in or relating to shoe stiffenersInfo
- Publication number
- GB530322A GB530322A GB1689039A GB1689039A GB530322A GB 530322 A GB530322 A GB 530322A GB 1689039 A GB1689039 A GB 1689039A GB 1689039 A GB1689039 A GB 1689039A GB 530322 A GB530322 A GB 530322A
- Authority
- GB
- United Kingdom
- Prior art keywords
- swansdown
- impregnant
- die
- blanks
- solution
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/08—Heel stiffeners; Toe stiffeners
- A43B23/081—Toe stiffeners
- A43B23/086—Toe stiffeners made of impregnated fabrics, plastics or the like
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
530,322. Shoe stiffeners. BRITISH UNITED SHOE MACHINERY CO., Ltd., BANCROFT, W. H., Hill, M. G., and CLARK, K. J. B. June 9, 1939, No. 16890. [Classes 17 (i) and 17 (ii)] Relates to improvements in the method of making stiffeners wherein a locally delivered mass of impregnant is, by pressure, spread and caused to penetrate into a layer of absorbent sheet material from one side thereof, such as described in Specifications 469,014 and 487,159. According to the invention, a blank of backstiffened swansdown (i.e. one which has one surface loaded with china clay and the other surface raised or fleeced) is placed on a die, such as described in Specification 469,014, with the raised surface uppermost, a mass of impregnant is locally delivered thereon and covered with a blank of greaseproof paper. Pressure is then applied through a pressure plate, as described in the Specification referred to. The resultant stiffener is stored in a closed container until required, when the greaseproof paper is stripped off. Instead of a back-stiffened swansdown, unloaded swansdown with the lower side treated with a celluloid derivative solution, rubber solution, gelatine solution or shellac solution may be used. In another method, two blanks of swansdown, either back-loaded or back-treated with solution, are arranged in the die, impregnant being locally applied between them. The product may be stored until required, and then separated to form two stifteners. Alternatively, untreated swansdown blanks may be used, with blanks of filter paper at the bottom and top of the opposed swansdown blanks between which the impregnant is delivered. To guard against the escape of impregnant between the layers the die block described in Specification 487,159 is replaced by a die device comprising a block 1 having an upstanding central portion 3 formed with a marginally-bevelled die cavity 5 and fitting snugly in an aperture in a plate 7. This plate is urged upwards to a limited amount by springs 11 surrounding three screws 9. Four plungers 15 urged upwards by weak springs 17 serve as positioning means for the blank.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1689039A GB530322A (en) | 1939-06-09 | 1939-06-09 | Improvements in or relating to shoe stiffeners |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1689039A GB530322A (en) | 1939-06-09 | 1939-06-09 | Improvements in or relating to shoe stiffeners |
Publications (1)
Publication Number | Publication Date |
---|---|
GB530322A true GB530322A (en) | 1940-12-10 |
Family
ID=10085523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1689039A Expired GB530322A (en) | 1939-06-09 | 1939-06-09 | Improvements in or relating to shoe stiffeners |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB530322A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2000016A (en) * | 1977-06-14 | 1979-01-04 | British United Shoe Machinery | Method of stiffening shoe upper |
-
1939
- 1939-06-09 GB GB1689039A patent/GB530322A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2000016A (en) * | 1977-06-14 | 1979-01-04 | British United Shoe Machinery | Method of stiffening shoe upper |
GB2000016B (en) * | 1977-06-14 | 1982-01-20 | British United Shoe Machinery | Method of stiffening shoe upper |
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