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US3616546A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for packaging groups of articles in a tubular sleeve

Assignee: EIDP Inc
•
Filing: 1969-09-05
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Granted: 1971-11-02
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Expires: 1989-09-05
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Abstract

Abstract A HIGH SPEED APPARATUS AND PROCESS FOR CONTINUOUSLY AUTOMATICALLY PACKING GROUPS OF ARTICLES IN A TUBULAR SLEEVE MEMBER, INVOLVING, CONTINUOUSLY CONVEYING A PLURALITY OF ARTICLES FROM A FIRST POSITION ALONG A GIVEN PATH TO A SECOND POSITION, FORMING SAID ARTICLES INTO ASERIES OF SPACED GROUPS, SUPPLYING SHRINKABLE FILM CONTINUOUSLY INTO OPERATIVE ASSOCIATION WITH SAID ARTICLES, FORMING THE FILM INTO AN ELONGATED SURROUNDING ENVELOPE AROUND SAID ARTICLES, SEALING SAID FILM TO FORM A UNITARY SLEEVE ASSEMBLY SURROUNDING SAID ARTICLES, SEVERING SAID SLEEVE ASSEMBLY TO FORM INDIVIDUAL GROUPS OF ARTICLES EACH ENCLOSED BY A TUBULAR SLEEVE MEMBER HAVING OPEN END PORTIONS, FIRST SHRINKING THE END PORTIONS ONLY OF THE SLEEVE MEMBER TO FORM AT LEAST PARTIAL END CLOSURE THEREFROM AND THEN SHRINKING AND ENTIRE SLEEVE MEMBER INTO SECURE ENGAGEMENT WITH SAID ARTICLES CONTAINED IN EACH SLEEVE MEMBER.

Inventors

  • 👤 John George Selby Billingsley
  • 👤 Jack Edgar Colsen
  • 👤 Edward Stanley Pierce
  • 👤 Harold Eugene Ramsey
  • 👤 Paul Glenn Stephan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 20:58
CPC Classifications
B; B65; B65B; B65B53/00; B65B53/02; B65B9/00; B65B9/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-11-01 1975-05-03 1975-11-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-01 1979-05-03 1979-11-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-01 1983-05-03 1983-11-02 $7700.00 Window Closed / Lapsed

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