← Back to Patent Explorer
US3865663A Expired / Lapsed US ⏱️ 0.0 years remaining

Patterned rubber article and a process for making the same

Assignee: Bridgestone Corp
•
Filing: 1973-05-21
•
Granted: 1975-02-11
•
Expires: 1993-05-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A process for making a patterned rubber article, by overlaying a transparent unvulcanized thin rubber film on a semi-finished rubber body, painting a desired pattern on the surface of the body or on the body-facing surface of the rubber film, the pattern being drawn by a paint containing a vehicle enhancing the adhesion of the paint to the rubber body, and thereafter vulcanizing the rubber body together with the rubber film.

Inventors

  • 👤 Takeshi Oka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 13:42
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B60; B60C; B60C13/00; B60C13/001; Y; Y10; Y10S; Y10S152/00; Y10S152/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 117 words
A PROCESS FOR MANUFACTURING A TIRE HAVING COLORED MARKS ON THE SIDE WALL PORTIONS THEREOF COMPRISING A. APPLYING THE COLORED MARKS AS RUBBER PAINT ON ONE SIDE OF A SUBSTANTIALLY TRANSPARENT FILM OF A THICKNESS NOT EXCEEDING 1.0 MM AND MAE OF UNVULCANIZED SYNTHETIC RUBBER, UNVULCANIZED NATURAL RUBBER OR A COMBINATION THEREOF, B. DIRECTLY CONTACTING THE THUS MARKED SIDE OF THE TRANSPARENT FILM WITH THE SURFACE OF THE SIDE WALL PORTIONS OF A TREAD RUBBER STRIP EXTRUDED BY A TIRE TREAD EXTRUDER, C. FORMING A SEMIPROCESSED TIRE BY USING SAID TREAD RUBBER STRIP WITH SAID TRANSPARENT FILM HAVING SAID COLORED MARKS DIRECTLY CONTACTED THEREON AND D. VULCANIZING THE ASSEMBLY IN A VULCANIZING MOLD TO FORM THE TIRE.
Claim 2
Dependent Claim 117 words
A PROCESS FOR MANUFACTURING A TIRE HAVING COLORED MARKS ON THE SIDE WALL PORTIONS THEREOF COMPRISING A. APPLYING THE COLORED MARKS AS RUBBER PAINT ON ONE SIDE OF A SUBSTANTIALLY TRANSPARENT FILM OF A THICKNESS NOT EXCEEDING 1.0 MM AND MAE OF UNVULCANIZED SYNTHETIC RUBBER, UNVULCANIZED NATURAL RUBBER OR A COMBINATION THEREOF, B. DIRECTLY CONTACTING THE THUS MARKED SIDE OF THE TRANSPARENT FILM WITH THE SURFACE OF THE SIDE WALL PORTIONS OF A TREAD RUBBER STRIP EXTRUDED BY A TIRE TREAD EXTRUDER, C. FORMING A SEMIPROCESSED TIRE BY USING SAID TREAD RUBBER STRIP WITH SAID TRANSPARENT FILM HAVING SAID COLORED MARKS DIRECTLY CONTACTED THEREON AND D. VULCANIZING THE ASSEMBLY IN A VULCANIZING MOLD TO FORM THE TIRE.

References Cited (Backward Citations)

US2136567A Cited
US2231083A Cited
US2979099A Cited
US2985216A Cited
US3607498A Cited
US3623900A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-02-10 1978-08-12 1979-02-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-02-10 1982-08-12 1983-02-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-02-10 1986-08-12 1987-02-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag