Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1986-03-28
1987-09-01
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29558, 29DIG26, 72370, 72412, B21D 5300
Patent
active
046898646
ABSTRACT:
A method of making valve sleeves used for controlling the flow of hydraulic fluid in devices, such as power steering units in motorized vehicle, and the product of the utilized method. The method utilizes a grooving male die which forms a groove on an interior surface of a valve sleeve.
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Fukuma Nobuo
Hasegawa Hisayasu
Hayashi Kunio
Murayama Kimimasa
Tokudome Yoshihiro
Goldberg Howard N.
Toyota Jidosha & Kabushiki Kaisha
Wallace Ronald S.
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