US3113874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for cling packaging an object
Assignee: WR Grace and Co
•
Filing: 1961-07-10
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Granted: 1963-12-10
•
Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Edward R Baush
- 👤 Jr Milton A Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:43
CPC Classifications
B; B65; B65B; B65B53/00; B65B53/02; B65B53/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
METHOD FOR PACKAGING AN OBJECT COMPRISING: (A) COMPLETELY ENCLOSING SAID OBJECT WITHIN A SEALED HEAT SHRINKABLE ,THERMOPLASTIC FILM, (B) FORMING A VENT HOLE IN THE FILM ADJACENT ONE END OF THE OBJECT, (C) FEEDING THE PACKAGE, VENTED END LAST, BETWEEN A PAIR OF COUNTER-ROTATING, HOT WATER SOAKED, RESILIENT SPONGE ROLLS, (D) AND THEREBY PROGRESSIVELY AND SIMULTANEOUSLY (1) APPLYING PRESSURE AGAINST ALL SURFACES OF THE PACKAGE (2) FORCING THE FILM INTO CLOSE CONTACT WITH ALL SURFACES OF THE OBJECT (3) FORCING AIR OUT OF THE PACKAGE THROUGH THE VENT HOLE AND, (4) SHRINKING THE FILM INTO A TIGHT-FITTING, SUBSTANTIALLY WRINKLE-FREE PROTECTIVE COVERING ABOUT THE OBJECT.
Claim 2
Dependent Claim
104 words
METHOD FOR PACKAGING AN OBJECT COMPRISING: (A) COMPLETELY ENCLOSING SAID OBJECT WITHIN A SEALED HEAT SHRINKABLE ,THERMOPLASTIC FILM, (B) FORMING A VENT HOLE IN THE FILM ADJACENT ONE END OF THE OBJECT, (C) FEEDING THE PACKAGE, VENTED END LAST, BETWEEN A PAIR OF COUNTER-ROTATING, HOT WATER SOAKED, RESILIENT SPONGE ROLLS, (D) AND THEREBY PROGRESSIVELY AND SIMULTANEOUSLY (1) APPLYING PRESSURE AGAINST ALL SURFACES OF THE PACKAGE (2) FORCING THE FILM INTO CLOSE CONTACT WITH ALL SURFACES OF THE OBJECT (3) FORCING AIR OUT OF THE PACKAGE THROUGH THE VENT HOLE AND, (4) SHRINKING THE FILM INTO A TIGHT-FITTING, SUBSTANTIALLY WRINKLE-FREE PROTECTIVE COVERING ABOUT THE OBJECT.
References Cited (Backward Citations)
US2538025A
Cited
US2876112A
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US2919990A
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US2966414A
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US2906627A
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US2888788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |