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
Application number
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
Application filed filed Critical
Publication of GB1295676A publication Critical patent/GB1295676A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/28Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
    • A43B13/32Soles; 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.
GB1295676D 1969-07-24 1969-07-24 Expired GB1295676A (en)

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)

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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