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US3856070A
Expired / Lapsed
US
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Transverse flash breaking in tire manufacture
Assignee: Goodyear Tire and Rubber Co
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Filing: 1973-08-13
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Granted: 1974-12-24
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Expires: 1993-08-13
Abstract
Abstract A method and apparatus for alleviating the sound generated in use by tires having flash extending transversely of the tread by puncturing or penetrating and tearing the flash extending between the walls of circumferentially endless grooves in the tire tread.
Inventors
- 👤 C Christie
- 👤 P Appleby
- 👤 F Tully
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:11
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/02; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0633; B29D2030/0634; B29D2030/0635; B29K; B29K2021/00; B29L; B29L2030/00; Y; Y10; Y10S; Y10S83/00; Y10S83/914; Y10T; Y10T225/00; Y10T225/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
Apparatus for treating a new tire having mold flash extending transversely of a circumferentially endless tread groove therein comprising means for mounting said tire rotatably, at least one flash tearing instrument capable of entering said groove, means for mounting said instrument for movement into said groove, and means for effecting relative movement between said tire and said instrument in a direction parallel to said groove to cause said instrument to penetrate and to tear said flash, the or each said instrument comprising a spring wire hook having an elongated elastically deflectable shank, a shoe portion slidable on a surface or surfaces of the tread of said tire and connected to said shank by a U-shaped bend portion, and a flash penetrator terminal portion.
Claim 2
Dependent Claim
123 words
Apparatus for treating a new tire having mold flash extending transversely of a circumferentially endless tread groove therein comprising means for mounting said tire rotatably, at least one flash tearing instrument capable of entering said groove, means for mounting said instrument for movement into said groove, and means for effecting relative movement between said tire and said instrument in a direction parallel to said groove to cause said instrument to penetrate and to tear said flash, the or each said instrument comprising a spring wire hook having an elongated elastically deflectable shank, a shoe portion slidable on a surface or surfaces of the tread of said tire and connected to said shank by a U-shaped bend portion, and a flash penetrator terminal portion.
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) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |