US3863550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting and scoring die
Assignee: ATLAS STEEL RULE DIE Inc
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Filing: 1973-03-19
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Granted: 1975-02-04
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Expires: 1993-03-19
Abstract
Abstract A die for cutting and/or scoring of paperboard material is formed of a spaced pair of thin metal plates having aligned slots into which steel rules set on edge are inserted with their operative ends projecting through one of said plates, the spacing between the plates being maintained by filler material.
Inventors
- 👤 Albert J Sarka
- 👤 Pierson S Kang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:44
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/44; B26F1/40; B26F2001/4463; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9411; Y10T83/9447; Y10T83/9457; Y10T83/9473
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
89 words
A cutting and scoring die comprising a superimposed pair of plates composed of substantially dimensionally stable material separated by an intermediate semi-rigid plastic material therebetween, said plates and plastic material having aligned slots therein extending from the outer face of one of said plates through the plastic material and into the opposed plate, each of said plates being substantially unitary and continuous except for said slots, and metallic rule members rigidly mounted in said slots and having their edges extending beyond the outer face of one of said plates.
Claim 2
Dependent Claim
89 words
A cutting and scoring die comprising a superimposed pair of plates composed of substantially dimensionally stable material separated by an intermediate semi-rigid plastic material therebetween, said plates and plastic material having aligned slots therein extending from the outer face of one of said plates through the plastic material and into the opposed plate, each of said plates being substantially unitary and continuous except for said slots, and metallic rule members rigidly mounted in said slots and having their edges extending beyond the outer face of one of said plates.
Claim 3
Dependent Claim
16 words
A die as defined in claim 1 wherein said semi-rigid plastic material is an adherent lamina.
Claim 4
Dependent Claim
16 words
A die as defined in claim 2 wherein said plastic material is a cured epoxy resin.
Claim 5
Dependent Claim
18 words
A die as defined in claim 1 wherein said slots extend all of the way through both plates.
Claim 6
Dependent Claim
38 words
A die as defined in claim 1 wherein said plates are maintained in fixed spaced relation by spacing posts therebetween and fixedly attached to at least one of said plates, said posts being embedded in said plastic material.
Claim 7
Dependent Claim
29 words
A die as defined in claim 5 wherein said plates and said posts are made of metal and said posts are welded to at least one of said plates.
Claim 8
Dependent Claim
14 words
A die as defined in claim 1 where said plates are made of steel.
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) | 1978-02-03 | 1978-08-05 | 1979-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-03 | 1982-08-05 | 1983-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-03 | 1986-08-05 | 1987-02-04 | $7700.00 | Window Closed / Lapsed |