Presses – With additional treatment of material – Cutting – breaking – piercing – or comminuting
Patent
1992-03-31
1993-02-02
Hornsby, Harvey C.
Presses
With additional treatment of material
Cutting, breaking, piercing, or comminuting
100125, 100131, 100902, 100246, 100245, B30B 902, B30B 932
Patent
active
051829886
ABSTRACT:
Apparatus for crushing and severely reducing the overall dimensions of used fluid filters before they are discarded includes a housing assembly having a base portion, a head portion, and side wall portions joining the base portion to the head portion. First and second cylindrical sleeves positioned within the housing substantially completely enclose each filter during the crushing operation. During the crushing operation, each filter rests on the base portion and a hydraulically operated ram assembly forces a piston against the filter and crushes the filter between the base portion and the piston. The side walls portions and the first cylindrical sleeve restrict lateral movement of the piston and filter during the crushing operation. A considerable amount of used fluid is re-claimed from the filters as a result of the crushing operation.
REFERENCES:
patent: 2544222 (1951-03-01), D'Amico
patent: 2800159 (1957-07-01), Walsh
patent: 3882771 (1975-05-01), Frohbieter
patent: 4088072 (1978-05-01), Wittmeier
patent: 4249400 (1981-02-01), Arendt
patent: 4334469 (1982-06-01), Tanner
patent: 4809600 (1989-03-01), Yamamoto
patent: 4897222 (1990-01-01), Muntzel
Caterpillar Inc.
Hornsby Harvey C.
Soohoo Tony G.
White Claude F.
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