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US3638928A Expired / Lapsed US ⏱️ 0.0 years remaining

Pallet heat rib shield

Assignee: Raymond Kaiser Engineers Inc
•
Filing: 1969-08-28
•
Granted: 1972-02-01
•
Expires: 1989-08-28
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Abstract

Abstract The ribs of a pallet used in sintering machines and the like has loosely fitting heat shields arranged in spaced-apart relation over the upper surface of the ribs, and such heat shields contact the pallet ribs only at selected spaced-apart locations.

Inventors

  • 👤 Hartman Mitchell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 11:30
CPC Classifications
F; F27; F27B; F27B21/00; F27B21/02; C; C22; C22B; C22B1/00; C22B1/14; C22B1/16; C22B1/20; F27B21/06

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 64 words
In a sintering machine having a plurality of interconnected pallets comprised of spaced-apart ribs adapted to support a plurality of grate bars, the combination with said spaced-apart ribs of: a. protective means surrounding the top portion of said rib; and b. a plurality of pads disposed between said rib and said protective means for maintaining said protective means in spaced-apart relation from said rib.
Claim 2
Dependent Claim 64 words
In a sintering machine having a plurality of interconnected pallets comprised of spaced-apart ribs adapted to support a plurality of grate bars, the combination with said spaced-apart ribs of: a. protective means surrounding the top portion of said rib; and b. a plurality of pads disposed between said rib and said protective means for maintaining said protective means in spaced-apart relation from said rib.
Claim 3
Dependent Claim 31 words
The invention of claim 1 wherein: a. the top portion of said rib has an angular cross section; and b. said protective means is angularly shaped to surround said top portion.
Claim 4
Dependent Claim 27 words
The invention of claim 1 wherein: a. said top portion of said rib is round; and b. said protective means is round to surround said top portion.
Claim 5
Dependent Claim 84 words
A pallet for a sintering machine comprising: a. a frame that includes side members and a plurality of spaced-apart ribs connecting said side members; b. protective means surrounding the top portion of each said rib; c. a plurality of pads disposed between said rib and said protective means for maintaining said protective means in spaced-apart relation to said rib; d. a plurality of grate bars disposed between said ribs and coactive with said protective means; and e. side plates mounted to said side members.
Claim 6
Dependent Claim 84 words
A pallet for a sintering machine comprising: a. a frame that includes side members and a plurality of spaced-apart ribs connecting said side members; b. protective means surrounding the top portion of each said rib; c. a plurality of pads disposed between said rib and said protective means for maintaining said protective means in spaced-apart relation to said rib; d. a plurality of grate bars disposed between said ribs and coactive with said protective means; and e. side plates mounted to said side members.

References Cited (Backward Citations)

US2322873A Cited
US3063696A Cited
US3191763A Cited
US3384355A Cited
US3420512A Cited
US3559967A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-31 1975-08-02 1976-02-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-31 1979-08-02 1980-02-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-31 1983-08-02 1984-02-01 $7700.00 Window Closed / Lapsed

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