US3262245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for packaging with shrinkable film
Assignee: WR Grace and Co
•
Filing: 1963-01-29
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Granted: 1966-07-26
•
Expires: 1983-01-29
Abstract
No abstract record available.
Inventors
- 👤 Jr William T Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:16
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/74; B29C65/743; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/131; B29C66/135; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/534; B29C66/5346; B29C66/53461; B29C66/70; B29C66/73; B29C66/737; B29C66/7371; B29C66/73711; B29C66/73713; B29C66/73715; B29C66/80; B29C66/81; B29C66/814; B29C66/8145; B29C66/81457; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B65B; B65B53/00; B65B53/02; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; B65B7/2885; B65D75/002; B65D75/004; B29C65/24; B29C65/30; B29C65/305; B29C66/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
APPARATUS FOR FORMING A SHRINK COVER OVER AN ARTICLE COMPRISING (A) A STATIONARY RESILIENT HEAT RESISTANT BED PLATE HAVING AN ORIFICE THEREIN JUST SLIGHTLY LARGER THAN THE ARTICLE TO BE COVERED; (B) A SUPPORT PLATFORM CAPABLE OF LIFTING AND LOWERING THE ARTICLE THROUGH SAID BED PLATE ORIFICE TO A HEIGHT WHERE AT LEAST THE UPPER PORTION OF SAID ARTICLE IS ON A PLANE AT LEAST SLIGHTLY ABOVE THE TOP PLANE OF THE BED PLATE, (C) MEANS FOR FEEDING A SHEET OF HIGH SHRINK ENERGY, HEAT SHRINKABLE THERMOPLASTIC FILM OVER THE SAID BED PLATE; (D) A HOT PLATE MAINTAINED AT A TEMPERATURE SUFFICIENT TO HEAT SAID FILM TO SHRINKING TEMPERATURE AND RECIRPOCALLY MOVABLE INTO CONTACT WITH FILM LYING OVER SAID RESILIENT BED PLATE, SAID HOT PLATE HAVING AN ORIFICE OF A SIZE SLIGHTLY LARGER THAN SAID ARTICLE AND LOCATED TO FIT OVER THE ARTICLE.
Claim 2
Dependent Claim
143 words
APPARATUS FOR FORMING A SHRINK COVER OVER AN ARTICLE COMPRISING (A) A STATIONARY RESILIENT HEAT RESISTANT BED PLATE HAVING AN ORIFICE THEREIN JUST SLIGHTLY LARGER THAN THE ARTICLE TO BE COVERED; (B) A SUPPORT PLATFORM CAPABLE OF LIFTING AND LOWERING THE ARTICLE THROUGH SAID BED PLATE ORIFICE TO A HEIGHT WHERE AT LEAST THE UPPER PORTION OF SAID ARTICLE IS ON A PLANE AT LEAST SLIGHTLY ABOVE THE TOP PLANE OF THE BED PLATE, (C) MEANS FOR FEEDING A SHEET OF HIGH SHRINK ENERGY, HEAT SHRINKABLE THERMOPLASTIC FILM OVER THE SAID BED PLATE; (D) A HOT PLATE MAINTAINED AT A TEMPERATURE SUFFICIENT TO HEAT SAID FILM TO SHRINKING TEMPERATURE AND RECIRPOCALLY MOVABLE INTO CONTACT WITH FILM LYING OVER SAID RESILIENT BED PLATE, SAID HOT PLATE HAVING AN ORIFICE OF A SIZE SLIGHTLY LARGER THAN SAID ARTICLE AND LOCATED TO FIT OVER THE ARTICLE.
References Cited (Backward Citations)
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US2878174A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |