GB1295676A - - Google Patents
Info
- Publication number
- GB1295676A GB1295676A GB1295676DA GB1295676A GB 1295676 A GB1295676 A GB 1295676A GB 1295676D A GB1295676D A GB 1295676DA GB 1295676 A GB1295676 A GB 1295676A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sole
- lasting margin
- polyurethane
- shoe
- july
- 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
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/28—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
- A43B13/32—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels by adhesives
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
1295676 Boots &c SHOE & ALLIED TRADES RESEARCH ASSOCIATION 24 July 1970 [24 July 1969] 37175/69 Heading A3B A shoe has a halogenated pre-formed sole unit 3 of hydrocarbon - elastomer based material bonded to the lasting margin of an upper 1 by a layer 4 of in situ foamed polyurethane. In a first embodiment (Fig. 2) the sole 3 is formed with side walls 6 which contact the lasting margin at 7 and which define a cavity in which the polyurethane layer 4 is formed. In a second embodiment (Fig. 3) the pre-formed sole 3 is place in a mould 14 and a polyurethane forming mixture is injected through passage 15. The upper 1 may be of leather in which case the lasting margin is roughened or may be of thermoplastic or poromeric material in which case the lasting margin may have a coating of adhesive. Ribs (not shown) may be formed on the upper surface of the pre-formed sole unit to determine the spacing between the sole and the bottom of the lasted upper.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3717569 | 1969-07-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1295676A true GB1295676A (en) | 1972-11-08 |
Family
ID=10394383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1295676D Expired GB1295676A (en) | 1969-07-24 | 1969-07-24 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1295676A (en) |
-
1969
- 1969-07-24 GB GB1295676D patent/GB1295676A/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
PLNP | Patent lapsed through nonpayment of renewal fees |