US4024593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming flat multiple-sided fastener parts having an opening therein
Assignee: Individual
•
Filing: 1976-05-19
•
Granted: 1977-05-24
•
Expires: 1996-05-19
Abstract
Abstract A method of forming flat, multiple-sided fastener parts from an elongated strip of sheet material by causing the material to pass progressively through a work station where a series of longitudinally spaced openings are formed in the material and the material is periodically severed along an irregular line defining contiguous multiple sides of adjacent fastener parts for the purpose of separating individual fastener parts from such adjacent parts.
Inventors
- 👤 Larry Stuart Pendell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:13
CPC Classifications
B; B23; B23G; B23G3/00; B23G3/005; B21; B21D; B21D28/00; B21D28/02; B21D28/06; B21D53/00; B21D53/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T83/00; Y10T83/04; Y10T83/0524; Y10T83/0538
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
132 words
A method of forming flat hexagon-shaped individual fastener parts each having an opening therein from an elongated strip of sheet material comprising the steps of: a. causing said material to pass progressively through a work station; b. first forming a series of longitudinally spaced openings in the material as it passes through said work station, and then c. periodically severing said material as the material passes through said work station from one side edge to the other side edge of the material in one cutting operation along an irregular cutting line defining contiguous multiple sides of adjacent fastener parts to separate individual fastener parts from said adjacent parts, at least one of said individual fastener parts being separated along said cutting line from such adjacent parts along three of its adjoining sides.
Claim 2
Independent Claim
132 words
A method of forming flat hexagon-shaped individual fastener parts each having an opening therein from an elongated strip of sheet material comprising the steps of: a. causing said material to pass progressively through a work station; b. first forming a series of longitudinally spaced openings in the material as it passes through said work station, and then c. periodically severing said material as the material passes through said work station from one side edge to the other side edge of the material in one cutting operation along an irregular cutting line defining contiguous multiple sides of adjacent fastener parts to separate individual fastener parts from said adjacent parts, at least one of said individual fastener parts being separated along said cutting line from such adjacent parts along three of its adjoining sides.
Claim 3
Dependent Claim
21 words
The method of claim 1 wherein the step of severing said material includes cutting said material diagonally along a saw-tooth line.
Claim 4
Dependent Claim
28 words
The method of claim 1 wherein the step of forming said openings in the material and the step of severing said material into separate fastener parts are simultaneous.
Claim 5
Dependent Claim
32 words
The method of claim 1 and including the step of threading said openings in said sheet material prior to severing said material into individual fastener parts to form nut type fastener parts.
Claim 6
Dependent Claim
47 words
The method of claim 1 wherein step (c) includes separating three or more individual fastener parts from said adjacent parts with all but one of said individual fastener parts each being separated along said cutting line from such adjacent parts along three of its adjoining said sides.
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) | 1980-05-23 | 1980-11-22 | 1981-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-23 | 1984-11-22 | 1985-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-23 | 1988-11-22 | 1989-05-24 | $7700.00 | Window Closed / Lapsed |