Patent US4150455A successfully refreshed from Google Patents.
US4150455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing a footwear and footwear
Assignee: Individual
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Filing: 1977-05-26
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Granted: 1979-04-24
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Expires: 1997-05-26
Abstract
Abstract A method for manufacturing an instep cover section of a footwear, comprising placing an instep cover member in a molding cavity, pressure-injecting molten synthetic resin material into the cavity, and thus connecting the synthetic resin material with the instep cover member whereby the synthetic resin material and the instep cover member form at least the main part of the three-dimensional instep cover section of a footwear. Also, a footwear comprises an upper including prefabricated members connected with resin sections.
Inventors
- 👤 Tatsuo Fukuoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:25
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/06; B29D35/061; A; A43; A43B; A43B1/00; A43B1/0027; A43B1/0054; A43B1/14; A43B9/00; B29D35/12; B29D35/122; B29D35/126; B29D35/14; B29D35/146
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
122 words
A method for manufacturing footwear comprising opening divided female molds for an upper, mounting an upper base on a male mold, closing the divided female molds for the upper, injecting molten resin material for the upper into an upper molding cavity so as to mold outer layer members of synthetic resin onto an outer surface of said upper base, opening the divided female molds for the upper after cooling or hardening of the resin material, transferring said male mold to a predetermined position within divided female molds for a sole, closing said divided female molds for a sole, and injecting molten synthetic resin material for the sole into a sole molding cavity so as to mold a sole integrally with the upper.
Claim 2
Independent Claim
122 words
A method for manufacturing footwear comprising opening divided female molds for an upper, mounting an upper base on a male mold, closing the divided female molds for the upper, injecting molten resin material for the upper into an upper molding cavity so as to mold outer layer members of synthetic resin onto an outer surface of said upper base, opening the divided female molds for the upper after cooling or hardening of the resin material, transferring said male mold to a predetermined position within divided female molds for a sole, closing said divided female molds for a sole, and injecting molten synthetic resin material for the sole into a sole molding cavity so as to mold a sole integrally with the upper.
Claim 3
Dependent Claim
30 words
A method for manufacturing an upper of a footwear as claimed in claim 1 including the step of molding outer layer members together with an insole on the male mold.
Claim 4
Dependent Claim
27 words
A method as claimed in claim 2 wherein recesses and protrusions are molded inside the insole by projections and recesses on the bottom of the male mold.
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) | 1982-04-23 | 1982-10-23 | 1983-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-23 | 1986-10-23 | 1987-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-23 | 1990-10-23 | 1991-04-24 | $7700.00 | Window Closed / Lapsed |