US3316653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for shrinking films on packages
Assignee: Weldotron of Delaware Inc
•
Filing: 1963-11-18
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Granted: 1967-05-02
•
Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Zelnick Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:10
CPC Classifications
B; B65; B65B; B65B53/00; B65B53/02; B65B53/06; B65B53/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PROCESS OF UNIFORMLY HEATING ALL SURFACES INCLUDING THE BOTTOMS OF HEAT-SHRINKABLE THERMOPLASTIC COVERINGS ON INDIVIDUAL PACKAGES, COMPRISING: SUPPORTING EACH SUCH PACKAGE ON A PLURALITY OF SEQUENTIALLY SPACED APART ROLLERS AND ADVANCING SUCH ROLLERS OVER A SOURCE OF HOT AIR WHILE ROTATING SUCH ROLLERS TO ADVANCE EACH SUCH PACKAGE SUPPORTED BY SUCH ROLLERS WITH RESPECT TO SUCH ROLLERS IN THE DIRECTION OF ADVANCE OF SUCH ROLLERS TO CONTINUOUSLY AND PROGRESSIVELY CHANGE THE PORTIONS OF THE RESPECTIVE BOTTOMS OF SUCH PACKAGES WHICH ARE CONTACTED BY SUCH ROLLERS; AND CONTINUOUSLY BLOWING HOT AIR FROM THE TOP, SIDES AND BETWEEN ADJACENT SPACED APART ROLLERS, AGAINST THE CONTINUOUSLY DIFFERING EXPOSED PORTIONS OF THE RESPECTIVE BOTTOMS OF SUCH PACKAGES, THEREBY APPLYING HOT AIR TO ALL OF THE SURFACES INCLUDING THE ENTIRE BOTTOM OF EACH SUCH PACKAGE.
Claim 2
Dependent Claim
131 words
A PROCESS OF UNIFORMLY HEATING ALL SURFACES INCLUDING THE BOTTOMS OF HEAT-SHRINKABLE THERMOPLASTIC COVERINGS ON INDIVIDUAL PACKAGES, COMPRISING: SUPPORTING EACH SUCH PACKAGE ON A PLURALITY OF SEQUENTIALLY SPACED APART ROLLERS AND ADVANCING SUCH ROLLERS OVER A SOURCE OF HOT AIR WHILE ROTATING SUCH ROLLERS TO ADVANCE EACH SUCH PACKAGE SUPPORTED BY SUCH ROLLERS WITH RESPECT TO SUCH ROLLERS IN THE DIRECTION OF ADVANCE OF SUCH ROLLERS TO CONTINUOUSLY AND PROGRESSIVELY CHANGE THE PORTIONS OF THE RESPECTIVE BOTTOMS OF SUCH PACKAGES WHICH ARE CONTACTED BY SUCH ROLLERS; AND CONTINUOUSLY BLOWING HOT AIR FROM THE TOP, SIDES AND BETWEEN ADJACENT SPACED APART ROLLERS, AGAINST THE CONTINUOUSLY DIFFERING EXPOSED PORTIONS OF THE RESPECTIVE BOTTOMS OF SUCH PACKAGES, THEREBY APPLYING HOT AIR TO ALL OF THE SURFACES INCLUDING THE ENTIRE BOTTOM OF EACH SUCH PACKAGE.
References Cited (Backward Citations)
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US2257758A
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US2671279A
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US3014320A
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US3120728A
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US3226839A
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US3164939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |