Plastic article or earthenware shaping or treating: apparatus – With direct application of magnetic force to manipulate...
Patent
1978-05-31
1979-07-17
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
With direct application of magnetic force to manipulate...
425 84, 425 85, 425574, 425575, B30B 928
Patent
active
041613775
ABSTRACT:
Moulding apparatus including a die, a first hydraulic ram member for opening and closing the die and a second ram member, contained within the first ram member, for injecting mouldable material into the die. The apparatus may be for moulding permanent magnet compacts in which case means may be provided for maintaining a magnetic field around the material in the die.
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patent: 3234598 (1966-02-01), Quinn
patent: 3585691 (1971-06-01), Wingblade et al.
patent: 3602287 (1971-08-01), Eversdyk
patent: 3804576 (1974-04-01), Hehl
patent: 3881853 (1975-05-01), Laubier
patent: 3989581 (1976-11-01), Kober et al.
Ramsey Joseph
Strawson Kenneth H.
Flint, Jr. J. Howard
National Research Development Corporation
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