US3893883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat bondable sheet materials
Assignee: Carl Freudenberg KG
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Filing: 1973-02-16
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Granted: 1975-07-08
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Expires: 1993-02-16
Abstract
Abstract A heat-bondable sheet material comprising a support carrying about 5 to 100 g/m2 of an adhesive composition comprising 100 parts by weight of polyethylene having a melt index of about 0.2 to 50 and a molecular weight of at least about 22,000, per about 5 to 45 parts by weight of a terpene resin having a softening point of about 60* to 120*C. The support is generally a textile fabric and the product can be bonded to a fabric as a lining or interlining merely by ironing with a flatiron, being securely attached so as to withstand laundering and dry cleaning.
Inventors
- 👤 Takashi Higuchi
- 👤 Katsuyoshi Yamauchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:34
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; D; D06; D06M; D06M17/00; D06M17/04; D06M17/06; B32B7/00; B32B7/04; B32B7/12; B32B2437/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
THE PROCESS FOR MAKING A TEXTILE-BONDEDTO-TEXTILE PRODUCT COMPRISING APPLYING TO A SURFACE OF A TEXTILE FABRIC SUPPORT ABOUT 5 TO 100 G/M2 OF AN ASHESIVE COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF POLYETHYLENE HAVING A MELT INDEX OF ABOUT 0.2 TO 50 AND A MOLECULAR WEIGHT OF AT LEAST ABOUT 22,000, PER ABOUT 5 TO 45 PARTS BY WEIGHT OF A TERPENE RESIN HAVING A SOFTENING POINT OF ABOUT 60* TO 120*C, PLACING THE SURFACE OF SAID SUPPORT CARRYING SAID ADHESIVE COMPOSITION ON A TEXTILE FABRIC, AND IRONING SAID SUPPORT FOR AT LEAST ABOUT 5 SECONDS AT A TEMPERATURE OF ABOUT 120* TO 160*C AND A PRESSURE OF ABOUT 0.15 TO 0.35 KG/M2 WHEREBY BONDING IS EFFECTED.
Claim 2
Dependent Claim
119 words
THE PROCESS FOR MAKING A TEXTILE-BONDEDTO-TEXTILE PRODUCT COMPRISING APPLYING TO A SURFACE OF A TEXTILE FABRIC SUPPORT ABOUT 5 TO 100 G/M2 OF AN ASHESIVE COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF POLYETHYLENE HAVING A MELT INDEX OF ABOUT 0.2 TO 50 AND A MOLECULAR WEIGHT OF AT LEAST ABOUT 22,000, PER ABOUT 5 TO 45 PARTS BY WEIGHT OF A TERPENE RESIN HAVING A SOFTENING POINT OF ABOUT 60* TO 120*C, PLACING THE SURFACE OF SAID SUPPORT CARRYING SAID ADHESIVE COMPOSITION ON A TEXTILE FABRIC, AND IRONING SAID SUPPORT FOR AT LEAST ABOUT 5 SECONDS AT A TEMPERATURE OF ABOUT 120* TO 160*C AND A PRESSURE OF ABOUT 0.15 TO 0.35 KG/M2 WHEREBY BONDING IS EFFECTED.
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) | 1978-07-07 | 1979-01-06 | 1979-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-07 | 1983-01-06 | 1983-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-07 | 1987-01-06 | 1987-07-08 | $7700.00 | Window Closed / Lapsed |