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
•
Granted: 1972-06-27
•
Expires: 1990-05-07
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 17:04
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 |