Patent US3924357A successfully refreshed from Google Patents.
US3924357A
Expired / Lapsed
US
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Device for deburring work pieces
Assignee: Messer Griesheim GmbH
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Filing: 1972-12-04
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Granted: 1975-12-09
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Expires: 1992-12-04
Abstract
Abstract Device for deburring work pieces of rubber and similar material comprises essentially closed container for receiving work pieces with supplies of low-temperature medium and blasting agent connected to container by conduits. Container includes lower trough section rotatable about vertical axis, and centrifugal wheel in lower trough section is constructed and arranged to introduce blasting agent into that section onto work pieces for deburring them.
Inventors
- 👤 Jurgen Schmidt
- 👤 Jurgen Hesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:54
CPC Classifications
B; B24; B24C; B24C1/00; B24C1/08; B24C1/083; B24B; B24B31/00; B24B31/10; B24B31/108; B24C3/00; B24C3/18; B24C3/26; B24C3/263; B29; B29C; B29C37/00; B29C37/02; B29C35/00; B29C35/16; B29C2035/1616; B29C2035/1625; B29C2035/165; B29K; B29K2021/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
102 words
A device for deburring work pieces of rubber or similar material comprising an essentially closed container for receiving the work pieces, supplies of a low-temperature medium and a blasting agent and conduit means for introducing them into the container, the container including a bottom trough section rotatable about its vertical axis and a fixed upper section forming a vertical extension of the bottom trough section, means for rotating the bottom trough section, a centrifugal wheel in the container associated with the conduit means for the blasting agent for introducing the blasting agent into the container, and means for rotating the centrifugal wheel.
Claim 2
Independent Claim
102 words
A device for deburring work pieces of rubber or similar material comprising an essentially closed container for receiving the work pieces, supplies of a low-temperature medium and a blasting agent and conduit means for introducing them into the container, the container including a bottom trough section rotatable about its vertical axis and a fixed upper section forming a vertical extension of the bottom trough section, means for rotating the bottom trough section, a centrifugal wheel in the container associated with the conduit means for the blasting agent for introducing the blasting agent into the container, and means for rotating the centrifugal wheel.
Claim 3
Dependent Claim
28 words
A device as in claim 1 wherein the bottom trough section has the shape of a horizontally arranged concave disk, and a housing surrounding the bottom trough section.
Claim 4
Dependent Claim
31 words
A device as in claim 2 including an adjustable annular slot between the bottom trough section and the upper fixed section opening into the housing that surrounds the bottom trough section.
Claim 5
Dependent Claim
27 words
A device as in claim 3 including conveying plates secured to the underside of the bottom trough section between that section and the bottom of the housing.
References Cited (Backward Citations)
US1423128A
Cited
US2299020A
Cited
US2330949A
Cited
GB808521A
Cited
US3435565A
Cited
US3445966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-08 | 1979-06-09 | 1979-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-08 | 1983-06-09 | 1983-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-08 | 1987-06-09 | 1987-12-09 | $7700.00 | Window Closed / Lapsed |