Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-11-29
1977-12-13
Guest, Alfred R.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291295, 29132, B21B 3108
Patent
active
040620980
ABSTRACT:
A light-weight guide roller comprising a cylindrical jacket of stainless steel filled with synthetic foam material under pressure, both ends of the roller being closed by an annular box-shaped element constituted by a central trunnion with two oppositely positioned rings each having a U-shaped cross-section, said rings being welded to said trunnion and to said jacket.
REFERENCES:
patent: 1486052 (1924-03-01), Stephenson
patent: 1495243 (1924-05-01), Brandwood et al.
patent: 1648626 (1927-11-01), Smith
patent: 3693544 (1972-09-01), Trzyna
Brugman Machinefabriek B.V.
Feldman Marvin
Feldman Stephen E.
Guest Alfred R.
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