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US3897015A Expired / Lapsed US ⏱️ 0.0 years remaining

Crusher plate

Assignee: Nippon Steel Corp
•
Filing: 1974-03-07
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Granted: 1975-07-29
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Expires: 1994-03-07
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Abstract

Abstract A crushing plate for a crusher for crushing sinters comprising a jacket chamber provided in the crushing plate, a supply pipe for supplying cooling medium and an exhaust pipe, connected to the jacket chamber, and a liner covering a sinter-chuting portion of the crushing plate.

Inventors

  • 👤 Masao Suzuki
  • 👤 Masayuki Oguni

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 12:30
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/10; B02C4/26; B02C19/00; B02C19/0056; F; F23; F23J; F23J1/00; F23J2700/00; F23J2700/001

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 138 words
In a crushing apparatus for crushing hot sintered materials, said apparatus including a crusher plate formed with a plurality of spaced elongated crushing members and a rotary member having projecting blades rotating in intermeshing relationship with said crusher plate to effect therebetween crushing of said sintered materials, said blades extending to between said crushing members, the improvement comprising, in combination, means defining a jacket chamber interiorly of said crushing members said jacket chamber being formed by structuring said crushing members in a hollow box-like configuration, means for supplying a fluid cooling medium to said jacket chamber, means for exhausting said cooling medium from said jacket chamber, and liner means integrally bonded with said crushing members and covering said crushing members at least along portions thereof at which said sintered material is brought into contact with said crusher plate.
Claim 2
Dependent Claim 138 words
In a crushing apparatus for crushing hot sintered materials, said apparatus including a crusher plate formed with a plurality of spaced elongated crushing members and a rotary member having projecting blades rotating in intermeshing relationship with said crusher plate to effect therebetween crushing of said sintered materials, said blades extending to between said crushing members, the improvement comprising, in combination, means defining a jacket chamber interiorly of said crushing members said jacket chamber being formed by structuring said crushing members in a hollow box-like configuration, means for supplying a fluid cooling medium to said jacket chamber, means for exhausting said cooling medium from said jacket chamber, and liner means integrally bonded with said crushing members and covering said crushing members at least along portions thereof at which said sintered material is brought into contact with said crusher plate.
Claim 3
Dependent Claim 20 words
Apparatus according to claim 1 wherein said liner means are integrally bonded to said crushing members by being welded thereto.
Claim 4
Dependent Claim 20 words
Apparatus according to claim 1, wherein said liner means are integrally bonded to said crushing members by being cast thereon.
Claim 5
Dependent Claim 23 words
Apparatus according to claim 1, wherein said liner means extend to cover portions of said crushing members over which said projecting blades extend.
Claim 6
Dependent Claim 152 words
In a crushing apparatus for crushing hot sintered materials, said apparatus including a crusher plate formed with a plurality of spaced elongated crushing members and a rotary member having projecting blades rotating in intermeshing relationship with said crusher plate to effect therebetween crushing of said sintered materials, said blades extending to between said crushing members, the improvement comprising, in combinaTion, means defining a jacket chamber interiorly of said crushing members, said jacket chamber being formed by structuring said crushing members as a box-like structure, said crushing members comprising a pair of side plates and upper and lower closing members fixed to extend between said side plates, means for supplying a fluid cooling medium to said jacket chamber, means for exhausting said cooling medium from said jacket chamber, and liner means covering said crushing members at least along portions thereof at which said sintered material is brought into contact with said crusher plate.
Claim 7
Dependent Claim 152 words
In a crushing apparatus for crushing hot sintered materials, said apparatus including a crusher plate formed with a plurality of spaced elongated crushing members and a rotary member having projecting blades rotating in intermeshing relationship with said crusher plate to effect therebetween crushing of said sintered materials, said blades extending to between said crushing members, the improvement comprising, in combinaTion, means defining a jacket chamber interiorly of said crushing members, said jacket chamber being formed by structuring said crushing members as a box-like structure, said crushing members comprising a pair of side plates and upper and lower closing members fixed to extend between said side plates, means for supplying a fluid cooling medium to said jacket chamber, means for exhausting said cooling medium from said jacket chamber, and liner means covering said crushing members at least along portions thereof at which said sintered material is brought into contact with said crusher plate.

References Cited (Backward Citations)

US851607A Cited
US1813086A Cited
US2068779A Cited
US3154622A Cited
US3229921A Cited
US3417930A Cited
US3459381A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-07-28 1979-01-27 1979-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-07-28 1983-01-27 1983-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-07-28 1987-01-27 1987-07-29 $7700.00 Window Closed / Lapsed

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