Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1981-01-19
1983-05-03
Larson, Lowell A.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291484S, 291495NM, 29400C, 295271, 105199CB, 264DIG77, 264267, 384423, B21D 5310
Patent
active
043815898
ABSTRACT:
A method of manufacturing a resilient side bearing of the type utilized between a truck and body of a railway vehicle includes the steps of providing a bearing housing; sealing the bearing housing to form an enclosed bearing chamber, pouring liquid resilient bearing material into the bearing chamber; permitting the liquid resilient bearing material to cure and become bonded to the interior surface of the housing to form the bearing; and removing the seals after the bearing material has cured.
REFERENCES:
patent: 3202749 (1965-08-01), White
patent: 3712691 (1973-01-01), Cope
Deutsch Barry E.
Dresser Industries Inc.
Hazelwood John N.
Larson Lowell A.
Rising V. K.
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