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CA1174815A Expired / Lapsed CA ⏱️ 0.0 years remaining

Method of producing footwear sole

Assignee: Bata Industries Ltd
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Filing: 1982-05-05
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Granted: 1984-09-25
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Expires: 2002-05-05
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Abstract

Abstract ABSTRACT OF THE DISCLOSURE A logo, trademark or other design is produced in a two-color footwear sole by molding an outer sole layer of one color with a recess extending from the top surface to near the bottom surface thereof; molding an inner sole layer of another color on the outer sole layer so that the plastic of the inner sole layer fills the recess; and removing the bottom surface of the outer sole layer in the area of the recess to expose the inner sole layer in such area.

Inventors

  • 👤 Serge Folschweiler

Bibliographic Details

Application Number —
Jurisdiction CA
Data Source google_patents
Last Synchronized 2026-11-08 11:37
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/06; B29D35/08; B29K; B29K2021/00

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 86 words
A method of producing a footwear sole comprising the steps of: (a) molding a first sole portion with a recess in one side thereof extending substantially through said first sole portion to the other side thereof; (b) molding a second sole portion on said first sole portion to form a projection of said second sole portion extending into said recess through substantially the entire thickness of said first sole portion; and (c) removing that part of said first portion covering said projection to expose said projection.
Claim 2
Independent Claim 86 words
A method of producing a footwear sole comprising the steps of: (a) molding a first sole portion with a recess in one side thereof extending substantially through said first sole portion to the other side thereof; (b) molding a second sole portion on said first sole portion to form a projection of said second sole portion extending into said recess through substantially the entire thickness of said first sole portion; and (c) removing that part of said first portion covering said projection to expose said projection.
Claim 3
Independent Claim 42 words
A method according to claim l, wherein said projection extends beyond said other side of said first sole portion-to force said part of said first sole portion covering the projection out-wardly for facilitating removal thereof and exposure of said first sole portion.

References Cited (Backward Citations)

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