US4562606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing footwear welt
Assignee: Bata Industries Ltd
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Filing: 1982-09-27
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Granted: 1986-01-07
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Expires: 2002-09-27
Abstract
Abstract A two-layer sole is molded onto the bottom of a lasted upper by molding a first color outer sole with a recess in the top thereof, molding a second color inner sole to fill the recess. The inner sole including a flange which covers the outer sole and extends slightly outwardly from the periphery thereof between the outer sole and the upper, coloring the flange a third color, and removing a portion of the flange so that the resulting sole appears to include an outer layer, a midsole and a separate welt.
Inventors
- 👤 Serge Folschweiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:37
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/06; B29D35/08; B29D35/081; B29D35/082; A; A43; A43B; A43B1/00; A43B1/0027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A method of producing a footwear sole with a simulated welt comprising the steps of: (a) molding an outer sole portion on a mold bottom; (b) placing a lasted upper above said outer sole portion and mold bottom; (c) molding an inner sole portion between said first sole portion and lasted upper to connect the outer sole portion to the upper, with a flange integral with said inner sole portion extending outwardly beyond the periphery of said outer sole portion, said flange including a profiled top surface defining a simulated welt and a bottom portion with a smooth periphery extending outwardly beyond the simulated welt around the entire periphery of the flange; (d) coloring substantially the entire flange between the upper and the outer sole portion; and (e) removing said bottom portion of said flange, whereby the remainder of the flange resembles a welt and a midsole above said outer sole portion, the colours of the welt, midsole and outer sole portion differing from each other.
Claim 2
Independent Claim
166 words
A method of producing a footwear sole with a simulated welt comprising the steps of: (a) molding an outer sole portion on a mold bottom; (b) placing a lasted upper above said outer sole portion and mold bottom; (c) molding an inner sole portion between said first sole portion and lasted upper to connect the outer sole portion to the upper, with a flange integral with said inner sole portion extending outwardly beyond the periphery of said outer sole portion, said flange including a profiled top surface defining a simulated welt and a bottom portion with a smooth periphery extending outwardly beyond the simulated welt around the entire periphery of the flange; (d) coloring substantially the entire flange between the upper and the outer sole portion; and (e) removing said bottom portion of said flange, whereby the remainder of the flange resembles a welt and a midsole above said outer sole portion, the colours of the welt, midsole and outer sole portion differing from each other.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-06 | 1989-07-08 | 1990-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-06 | 1993-07-08 | 1994-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-06 | 1997-07-08 | 1998-01-07 | $7700.00 | Window Closed / Lapsed |