US3869329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing nylon film using boiling water or steam
Assignee: Honeywell International Inc
•
Filing: 1971-06-23
•
Granted: 1975-03-04
•
Expires: 1991-06-23
Abstract
Abstract A method for sealing nylon film without shrinkage or degradation of the film is provided which comprises exposing at least one surface of the film to boiling water or steam and thereafter contacting the exposed surface with another film surface whereby a seal is effected.
Inventors
- 👤 Jr Arthur J Schweitzer
- 👤 Eugene Schupak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:33
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J5/00; C08J5/12; C08J5/122; C08J2377/00; C08J2377/02; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31728; Y10T428/31732
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
45 words
A METHOD FOR SEALING POLYCAPROAMIDE FILM SURFACE WHICH COMPRISES EXPOSING SAID SURFACE TO BOILING WATER OR STEAM ONLY AS THE ADHERING SOLVENT AND THEREAFTER CONTACTING SAID EXPOSED SURFACE WITH AT LEAST ONE OTHER POLYCAPROAMIDE FILM SURFACE WHEREBY A SEAL IS EFFECTED BETWEEN THE CONTACTED SURFACES.
Claim 2
Independent Claim
45 words
A METHOD FOR SEALING POLYCAPROAMIDE FILM SURFACE WHICH COMPRISES EXPOSING SAID SURFACE TO BOILING WATER OR STEAM ONLY AS THE ADHERING SOLVENT AND THEREAFTER CONTACTING SAID EXPOSED SURFACE WITH AT LEAST ONE OTHER POLYCAPROAMIDE FILM SURFACE WHEREBY A SEAL IS EFFECTED BETWEEN THE CONTACTED SURFACES.
Claim 3
Dependent Claim
19 words
A method as claimed in claim 1, further comprising exposing both surfaces to boiling water or steam before contact.
Claim 4
Dependent Claim
15 words
A method as claimed in claim 1 wherein said polyamide film surfaces are Nylon 6.
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) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |