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US3672113A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and apparatus for securing covering material in proper alignment to a series of containers

Assignee: Hoefliger und Karg KG
•
Filing: 1970-05-07
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Granted: 1972-06-27
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Expires: 1990-05-07
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Abstract

Abstract The leading edge of a sheet of covering foil is sealed to the leading rim of a container of a row of several containers to ensure correct positioning of the foil on the containers, while the covering sheet previously sealed to the leading rim of a container is now completely sealed over the tops of its several containers.

Inventors

  • 👤 Rolf Andra

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 17:27
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/162; B65B7/164; B29; B29C; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5346; B29C66/53461; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/843; B29C66/8432; B29C66/849; B29C66/90; B29C66/98

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 28 words
The process as defined in claim 1, further including the step of advancing the sheet of covering material stepwise in dependence on aligning marks provided on the sheet.
Claim 2
Dependent Claim 171 words
Apparatus for closing containers comprising means for transporting containers having open tops along a predetermined path past an attaching station and a following closing station; means for feeding an elongated sheet over the open tops of said containers; photocell means for detecting marks provided on the sheet to control said feeding means for advancing said sheet stepwise; means for simultaneously attaching a portion of the sheet to the leading portion of the container at the attaching station and for securing at said closing station a sheet portion overlying a container at said closing station to said container; cutting means positioned along said container path upstream of said attaching station and downstream of said feeding means for cutting said sheet simultaneously with or immediately after attachment of the sheet downstream of said cuttiNg means to the container at said attaching station; and a common carrier means for mounting said cutting means and said photocell means and movable along said container path to vary the distance between said attaching station and said carrier.
Claim 3
Dependent Claim 27 words
The apparatus as defined in claim 3, including means mounted on said carrier for feeding the uncut cover sheet along said container path to said attaching station.

References Cited (Backward Citations)

US2975574A Cited
US3131521A Cited
US3177106A Cited
US3283469A Cited
US3294301A Cited
US3374602A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-06-27 1975-12-27 1976-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-27 1979-12-27 1980-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-27 1983-12-27 1984-06-27 $7700.00 Window Closed / Lapsed

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