US4309376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a shoe sole
Assignee: Asics Corp
•
Filing: 1979-07-05
•
Granted: 1982-01-05
•
Expires: 1999-07-05
Abstract
Abstract A method for producing a shoe sole, which comprises forming in a bottom surface of a cavity of an outer mold of the sole forming mold a groove for forming a ridge which is to divide said bottom surface into at least two sections, charging a sole forming materials into said cavity such that respective materials will be supplied into the adjoining two sections, closing the cavity with the press plate of said mold, and then compressing and heating the cavity.
Inventors
- 👤 Yoshio Ueno
- 👤 Masanobu Inohara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:17
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/02; A43B13/12; A43B1/00; A43B1/0027; A43B13/14; A43B13/16; A43B13/18; A43B13/187; A43B13/188; A43B13/22; A43B13/223; B; B29; B29D; B29D35/00; B29D35/12; B29D35/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A method for producing a shoe sole having a ground-contacting surface having at least one strip of a protuberant wall or ridge which demarcates said ground-contacting surface into at least two sections, said ground-contacting surface also having a plurality of creeper protuberances, the material of one section of said adjoining two sections being different from the material of the other section, comprising the steps of: (a) charging materials into the cavity of the outer mold of a sole forming mold, said cavity including in the bottom surface at least one groove for forming at least one strip of protuberant wall or ridge and a plurality of recessions for forming said creeper protuberances, said materials being previously shaped into configurations similar to said sections of shoe sole to fuse said materials together in said groove of cavity, (b) closing said cavity with a press plate of the sole forming mold, and (c) compressing and heating said cavity to form a shoe sole.
Claim 2
Independent Claim
161 words
A method for producing a shoe sole having a ground-contacting surface having at least one strip of a protuberant wall or ridge which demarcates said ground-contacting surface into at least two sections, said ground-contacting surface also having a plurality of creeper protuberances, the material of one section of said adjoining two sections being different from the material of the other section, comprising the steps of: (a) charging materials into the cavity of the outer mold of a sole forming mold, said cavity including in the bottom surface at least one groove for forming at least one strip of protuberant wall or ridge and a plurality of recessions for forming said creeper protuberances, said materials being previously shaped into configurations similar to said sections of shoe sole to fuse said materials together in said groove of cavity, (b) closing said cavity with a press plate of the sole forming mold, and (c) compressing and heating said cavity to form a shoe sole.
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) | 1985-01-04 | 1985-07-06 | 1986-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-01-04 | 1989-07-06 | 1990-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-01-04 | 1993-07-06 | 1994-01-05 | $7700.00 | Window Closed / Lapsed |