US3680346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crimping tool
Assignee: Individual
•
Filing: 1971-01-04
•
Granted: 1972-08-01
•
Expires: 1991-01-04
Abstract
Abstract A hand tool for rolling over and crimping the edge of an aluminum foil cover about the edge of an aluminum foil container such as used in the food industry. A bending roller on the tool bends the edge of the cover into position between a pair of rollers which are slideably carried on the tool so that they can be initially separated to permit insertion of the edge of the container and the aluminum foil cover therebetween.
Inventors
- 👤 Rudolph R Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:07
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; B65B7/285; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/30; B21D51/32; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/53787; Y10T29/53791
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
125 words
A tool for crimping foil covers over the edge of a container comprising in combination: a frame adapted to be comfortably hand carried along the edge of the container; a first roller mounted on said frame operable to be rolled along a first side of said edge; a second roller mounted on said frame operable to be rolled along the second side of said edge opposite to said first side; means on said frame for separating said first and second rollers to permit insertion of said edge therebetween; spring means connected to urge said first and second rollerS together, and a bending guide on said frame positioned to bend the foil about said edge ahead of said rollers as they are rolled along the edge.
Claim 2
Dependent Claim
125 words
A tool for crimping foil covers over the edge of a container comprising in combination: a frame adapted to be comfortably hand carried along the edge of the container; a first roller mounted on said frame operable to be rolled along a first side of said edge; a second roller mounted on said frame operable to be rolled along the second side of said edge opposite to said first side; means on said frame for separating said first and second rollers to permit insertion of said edge therebetween; spring means connected to urge said first and second rollerS together, and a bending guide on said frame positioned to bend the foil about said edge ahead of said rollers as they are rolled along the edge.
Claim 3
Dependent Claim
30 words
The tool of claim 1 in which said means for separating comprises a sliding member on said frame, said first roller being affixed to and sliding with said sliding member.
Claim 4
Dependent Claim
21 words
The tool of claim 2 in which said sliding member is moved by a thumb lever which pivots on said frame.
Claim 5
Dependent Claim
19 words
The tool of claim 3 in which said spring means is connected between said frame and said sliding member.
Claim 6
Dependent Claim
33 words
The tool of claim 4 in which said frame comprises a handle portion, an extended portion extending from the handle portion, and a roller carrying portion extending generally perpendicular from said extended portion.
Claim 7
Dependent Claim
27 words
The tool of claim 5 in which said second roller, said thumb lever, aNd said sliding member are mounted on said roller carrying portion of said frame.
Claim 8
Dependent Claim
30 words
The tool of claim 6 in which said bending guide comprises a bending roller mounted on a shaft which shaft is adjustably mounted on said extended portion of said frame.
Claim 9
Dependent Claim
34 words
The tool of claim 7 in which said first roller is mounted for rotation on a shaft extending from said sliding member through a guide slot in said roller carrying portion of the frame.
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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |