US3787942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolls
Assignee: Friedrich Kocks GmbH and Co
•
Filing: 1972-02-09
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Granted: 1974-01-29
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Expires: 1992-02-09
Abstract
Abstract A roll is provided for metal rolling having a main rotary body, a hard tire providing a rolling surface and having a cross section which increases in width from the rolling surface toward the roll axis and two collars attached to the periphery of the main body and firmly enclosing a portion of the tire to secure said tire to the body while leaving the rolling surface exposed.
Inventors
- 👤 A Bindernagel
- 👤 F Mattheis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:11
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/02; B21B27/03; B21B27/035
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
93 words
A roll for metal rolling comprising a main rotary body, a clamping means on the annular periphery of said rotary body adapted for axial clamping action, a hard tire providing the rolling surface and having a cross section which increases in width from the rolling surface towards tHe roll axis spaced from the rotary body and two collars removably engaged in said clamping means on the periphery of the main body and firmly enclosing a portion of the tire to secure the tire to the main body whilst leaving the rolling surface free.
Claim 2
Dependent Claim
93 words
A roll for metal rolling comprising a main rotary body, a clamping means on the annular periphery of said rotary body adapted for axial clamping action, a hard tire providing the rolling surface and having a cross section which increases in width from the rolling surface towards tHe roll axis spaced from the rotary body and two collars removably engaged in said clamping means on the periphery of the main body and firmly enclosing a portion of the tire to secure the tire to the main body whilst leaving the rolling surface free.
Claim 3
Dependent Claim
21 words
A roll as claimed in claim 1, in which the collars are made of the same material as the main body.
Claim 4
Dependent Claim
18 words
A roll as claimed in claim 1, in which the collars can be urged laterally towards one another.
Claim 5
Dependent Claim
19 words
A roll as claimed in claim 1, in which the hard tire is soldered or glued to the collars.
Claim 6
Dependent Claim
15 words
A roll as claimed in claim 1, in which the hard tire is circumferentially pre-stressed.
Claim 7
Dependent Claim
17 words
A roll as claimed in claim 1, in which the hard tire is shrunk onto the collars.
Claim 8
Dependent Claim
18 words
A roll as claimed in claim 1, in which the hard tire is formed of separate abutting segments.
Claim 9
Dependent Claim
23 words
A roll as claimed in claim 7, in which the segments in their free state form a curve of somewhat more than 360*.
Claim 10
Dependent Claim
22 words
A roll as claimed in claim 1, wherein the tire is of truncated triangular section with the apex forming a work surface.
Claim 11
Dependent Claim
24 words
A roll as claimed in claim 9, wherein the collars are provided with facing angular grooves receiving the two base angles of the tire.
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) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |