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US3196587A Expired / Lapsed US ⏱️ 0.0 years remaining

Packaging process

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1962-09-17
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Granted: 1965-07-27
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Expires: 1982-09-17
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Abstract

No abstract record available.

Inventors

  • 👤 Hayward Anthony
  • 👤 Hill John William

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 03:47
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/18; B65D81/20; B65D81/2007; B65D81/2023; B65B; B65B31/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 181 words
A PROCESS FOR THE PACKAGING OF A PARTICULATE MATERIAL OR A PLURALITY OF SMALL ARTICLES IN A PLASTIC BAG THAT COMPRISES RAISING THE TEMPERATURE OF THE MATERIAL OF ARTICLES MATERIALLY ABOVE AMBIENT TEMPERATURE; FILLING THE MATERIAL OR ARTICLES INTO THE BAG; FORMING AN INTERRUPTED SEAL ACROSS AN OPENING OF THE BAG, THE INTERRUPTIONS IN SAID SEAL BEING SUFFICIENTLY LARGE TO ALLOW THE EASY ESCAPE OF THE MATERIAL OR ARTICLES THERETHROUGH; FLATTENING THE BAG TO EXPEL AIR THROUGH THE INTERRUPTION IN SAID SEAL AND REDISTRIBUTE THE MATERIAL OR ARTICLES WITHIN THE BAG TO MINIMIZE THE THICKNESS OF THE MATERIAL OR ARTICLE FILLED BAG AND MAXIMIZE THE LATERAL EXTENT THEREOF; AND THEREAFTER FORMING A CONTINUOUS SEAL ACROSS SAID OPENING OF THE BAG BEFORE THE MATERIAL OR ARTICLES HAVE COOLED TO AMBIENT TEMPERATURE; ALLOWING SAID MATERIAL OR ARTICLES IN SAID BAG TO COOL TO AMBIENT TEMPERTURE, WHEREBY UPON COOLING SAID BAG TAKES ON A STIPPLED APPEARANCE AS THE AIR REMAINING IN THE BAG CONTRACTS THEREBY FACILITATING MORE STABLE PALLETING OF SAID BAG WITH LIKE FILLED BAGS; AND PALLETING SAID BAG WITH LIKE FILLED BAGS.
Claim 2
Dependent Claim 181 words
A PROCESS FOR THE PACKAGING OF A PARTICULATE MATERIAL OR A PLURALITY OF SMALL ARTICLES IN A PLASTIC BAG THAT COMPRISES RAISING THE TEMPERATURE OF THE MATERIAL OF ARTICLES MATERIALLY ABOVE AMBIENT TEMPERATURE; FILLING THE MATERIAL OR ARTICLES INTO THE BAG; FORMING AN INTERRUPTED SEAL ACROSS AN OPENING OF THE BAG, THE INTERRUPTIONS IN SAID SEAL BEING SUFFICIENTLY LARGE TO ALLOW THE EASY ESCAPE OF THE MATERIAL OR ARTICLES THERETHROUGH; FLATTENING THE BAG TO EXPEL AIR THROUGH THE INTERRUPTION IN SAID SEAL AND REDISTRIBUTE THE MATERIAL OR ARTICLES WITHIN THE BAG TO MINIMIZE THE THICKNESS OF THE MATERIAL OR ARTICLE FILLED BAG AND MAXIMIZE THE LATERAL EXTENT THEREOF; AND THEREAFTER FORMING A CONTINUOUS SEAL ACROSS SAID OPENING OF THE BAG BEFORE THE MATERIAL OR ARTICLES HAVE COOLED TO AMBIENT TEMPERATURE; ALLOWING SAID MATERIAL OR ARTICLES IN SAID BAG TO COOL TO AMBIENT TEMPERTURE, WHEREBY UPON COOLING SAID BAG TAKES ON A STIPPLED APPEARANCE AS THE AIR REMAINING IN THE BAG CONTRACTS THEREBY FACILITATING MORE STABLE PALLETING OF SAID BAG WITH LIKE FILLED BAGS; AND PALLETING SAID BAG WITH LIKE FILLED BAGS.

References Cited (Backward Citations)

BE565913A Cited
CA607267A Cited
US2378920A Cited
US2655271A Cited
US2676440A Cited
US2875070A Cited
US3108881A Cited
US3113874A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-26 1969-01-25 1969-07-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-26 1973-01-25 1973-07-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-26 1977-01-25 1977-07-27 $7700.00 Window Closed / Lapsed

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