Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Positioning of a mold part to form a cavity or controlling...
Patent
1991-06-13
1993-10-26
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Positioning of a mold part to form a cavity or controlling...
264315, 264326, 425 29, 425 32, 425 38, 425149, B29C 3504
Patent
active
052563480
ABSTRACT:
A system for controlling the shaping fluid pressure in tire bladders in a tire molding press which senses the fluid pressure in the bladder used to shape the tire being loaded into the tire press; compares the sensed fluid pressure in the bladder with the desired set point fluid pressure to be maintained in the bladder; and adjusts the fluid pressure in the bladder in response to the compared pressures to cause the fluid pressure in the bladder to be maintained at the desired set point fluid pressure.
REFERENCES:
patent: 3443280 (1969-05-01), Hugger
patent: 3836614 (1974-09-01), Neugroschl
patent: 4302274 (1981-11-01), Enders
patent: 4382052 (1983-05-01), Arimatsu
patent: 4422987 (1983-12-01), Arimatsu
patent: 4502857 (1985-03-01), Hinks
patent: 4744931 (1988-05-01), Trapp
patent: 4779206 (1988-10-01), Mattson et al.
Powell B. J.
Thurlow Jeffery
Vargot Mathieu
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