US3949871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package tube
Assignee: Akerlund and Rausing AB
•
Filing: 1975-01-07
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Granted: 1976-04-13
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Expires: 1995-01-07
Abstract
Abstract The package tube according to the invention is characterized in that its closing means has at least one portion having a larger dimension than the hole in a spreading sponge or the like thrust on the tube neck.
Inventors
- 👤 Tom Christensen
- 👤 Ove Wendel
- 👤 Carl-Erik Sandstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:26
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/24; B65D35/36; B65D1/00; B65D1/09; B65D1/095; B65D35/02; B65D35/44
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
139 words
A package tube comprising a tube body, a tube neck integral therewith and extending therefrom and provided with a discharge passage therein, a closing means formed integrally with said tube neck and connected thereto by a weakened portion for closing the discharge passage in said tube neck, the inner end portion of said closing means having a greater outer dimension than said tube neck, said closing means also being provided with an offset portion facing said tube body, a sponge-like body mounted on said tube neck, and a protecting cover member provided with a passage therethrough, said passage having an enlarged portion at the inner end thereof for enclosing and protecting said sponge-like body and said cover member being provided with a recess for engaging the offset portion of said closing means for retaining the cover member in place.
Claim 2
Dependent Claim
139 words
A package tube comprising a tube body, a tube neck integral therewith and extending therefrom and provided with a discharge passage therein, a closing means formed integrally with said tube neck and connected thereto by a weakened portion for closing the discharge passage in said tube neck, the inner end portion of said closing means having a greater outer dimension than said tube neck, said closing means also being provided with an offset portion facing said tube body, a sponge-like body mounted on said tube neck, and a protecting cover member provided with a passage therethrough, said passage having an enlarged portion at the inner end thereof for enclosing and protecting said sponge-like body and said cover member being provided with a recess for engaging the offset portion of said closing means for retaining the cover member in place.
Claim 3
Dependent Claim
62 words
A package tube as claimed in claim 1 wherein the outer surface of said closing means and the inner surface of said protecting cover member form non-circular mating surfaces whereby rotation of said cover member relative to said tube body will cause said closing means to be sheared from said tube neck at the weakened portion thereof to open said package tube.
Claim 4
Dependent Claim
30 words
A package tube as claimed in claim 1 wherein said cover member sealingly presses against said tube body when said cover member engages the offset portion of said closing means.
Claim 5
Dependent Claim
34 words
A package tube as claimed in claim 2, wherein said cover member is further provided on its outer surface with gripping means to facilitate rotation of said cover member when opening said package tube.
Claim 6
Dependent Claim
50 words
A package tube as claimed in claim 1 wherein the outer end of said closing means is conical with the largest dimension facing said tube body to form said offset portion of said closing means, said dimension being greater than the corresponding dimension of the passage through said cover member.
Claim 7
Dependent Claim
31 words
A package tube as claimed in claim 2 wherein the mating surfaces are conical each having an oval cross-section to prevent relative rotation between said cover member and said closing means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-13 | 1979-10-13 | 1980-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-13 | 1983-10-13 | 1984-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-13 | 1987-10-13 | 1988-04-13 | $7700.00 | Window Closed / Lapsed |