Boots – shoes – and leggings
Patent
1983-04-11
1985-11-12
Chin, Gary
Boots, shoes, and leggings
364509, 340 52C, 73 405R, 73 491, G01M 326
Patent
active
045532125
ABSTRACT:
A leakage detecting device for brake hoses is composed of a first cylinder chamber communicated with a brake hose to be inspected, a second cylinder chamber connected to a fluid pressure source, a leakage detecting cylinder with a piston disposed between the first and second cylinder chambers, displacement amount detecting means for detecting displacement of the piston of the leakage detecting cylinder and generating a signal corresponding to the displacement amount, and processing means for receiving the displacement detecting signal from the displacement amount detecting means, calculating leakage amount per unit time for a prescribed time based on the received signal, comparing data of the leakage amount per unit time with the upper limit value for leakage of a good product which is set by a setting device, and generating a failed product detected signal when the leakage amount exceeds the upper limit value for leakage of a good product.
REFERENCES:
patent: 3772672 (1973-11-01), Adahan
patent: 4091658 (1978-05-01), Covington et al.
patent: 4170130 (1979-10-01), Borror et al.
patent: 4269061 (1981-05-01), Hatsuno et al.
patent: 4416146 (1983-11-01), Ambrose
Hayashi Chikahisa
Kanayama Masakatsu
Chin Gary
Toyoda Gosei Co,., Ltd.
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