Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...
Patent
1989-12-14
1993-09-14
Timm, Catherine
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Including application of internal fluid pressure to hollow...
264523, 264536, 264540, 425525, 425527, B29C 4904, B29C 4948, B29C 4972
Patent
active
052446255
ABSTRACT:
A method for manufacturing a cage of a polymeric material for a radial rolling bearing with two end rings formed at the cage and arranged at a distance to each other in the axial direction and crossbars spaced behind one another in the peripheral direction connecting the end rings and forming pockets for receiving rolling elements, each crossbar being formed by two relatively thin-walled crossbar walls delimiting the neighboring pockets and a connecting section situated between the crossbar walls, and a device for executing the method.
REFERENCES:
patent: 3263009 (1966-07-01), Vidal
patent: 3432586 (1969-01-01), Stenger
patent: 3862698 (1975-01-01), Hafele
patent: 4397802 (1983-08-01), Ernst et al.
patent: 4497521 (1985-02-01), Lowery
patent: 4781877 (1988-11-01), Rabe
B. T. Morgan, Blow Molding, Plastics Engineering Handbook, 1976, p. 326.
INA Walzlager Schaeffler KG
Timm Catherine
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