US2887425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making rubber honeycomb product
Assignee: Hexcel Products Inc
•
Filing: 1954-03-26
•
Granted: 1959-05-19
•
Expires: 1974-03-26
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:31
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0089; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/12; Y10T156/13; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1724; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A METHOD OF PRODUCING A NEW RUBBER PRODUCT COMPRISING THE STEP: PROVIDING A PLURALITY OF FLAT SECTIONS OF UNVULCANIZED SHEET RUBBER MATERIAL: SUPERPOSING SAID SECTIONS OF SHEET RUBBER MATERIAL ONE UON THE OTHER TO FORM A STACK OF SAID SECTIONS; INTIMATELY COHERING THE UNVULCANIZED RUBBER MATERIALS OF ADJACENT SHEETS IN THE STACK TOGETHER ALONG ELONGATE SPACED PARALLEL AREAS EXTENDING IN A COMMON DIRECTION AND WITH THE FIRST SIDE OF EACH SHEET INTIMATELY COHERED TO AN ADJACENT SHEET ALONG SAID SPACED PARALLEL AREAS DISPOSED IN STAGGERED RELATION TO THE SPACED PARALLEL AREAS OF INTIMATE COHESION BETWEEN THE SECOND SIDE OF SAID SHEET AND AN ADJACENT SHEET; EXPANDING THE STACK OF COHERED SHEETS OF RUBBER MATERIAL OUTWARDLY IN A DIRECTION PERPENDICULAR TO THE FLAT SURFACES OF SAID SECTIONS TO FORM AN OPEN CELLULAR HONECOMB STRUCTURE; AND WHILE MAINTAINING SAID STRUCTURE IN TIS EXPANDED CONDITION, VULCANIZING THE RUBBER MATERIAL TO CAUSE SAID SECTION TO MAINTAIN A RESILIENTLY DEFORMABLE EXPANDED OPEN-CELL CONDITION.
Claim 2
Independent Claim
158 words
A METHOD OF PRODUCING A NEW RUBBER PRODUCT COMPRISING THE STEP: PROVIDING A PLURALITY OF FLAT SECTIONS OF UNVULCANIZED SHEET RUBBER MATERIAL: SUPERPOSING SAID SECTIONS OF SHEET RUBBER MATERIAL ONE UON THE OTHER TO FORM A STACK OF SAID SECTIONS; INTIMATELY COHERING THE UNVULCANIZED RUBBER MATERIALS OF ADJACENT SHEETS IN THE STACK TOGETHER ALONG ELONGATE SPACED PARALLEL AREAS EXTENDING IN A COMMON DIRECTION AND WITH THE FIRST SIDE OF EACH SHEET INTIMATELY COHERED TO AN ADJACENT SHEET ALONG SAID SPACED PARALLEL AREAS DISPOSED IN STAGGERED RELATION TO THE SPACED PARALLEL AREAS OF INTIMATE COHESION BETWEEN THE SECOND SIDE OF SAID SHEET AND AN ADJACENT SHEET; EXPANDING THE STACK OF COHERED SHEETS OF RUBBER MATERIAL OUTWARDLY IN A DIRECTION PERPENDICULAR TO THE FLAT SURFACES OF SAID SECTIONS TO FORM AN OPEN CELLULAR HONECOMB STRUCTURE; AND WHILE MAINTAINING SAID STRUCTURE IN TIS EXPANDED CONDITION, VULCANIZING THE RUBBER MATERIAL TO CAUSE SAID SECTION TO MAINTAIN A RESILIENTLY DEFORMABLE EXPANDED OPEN-CELL CONDITION.
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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |