Title:
DIRECT TENSION INDICATOR FOR EMBEDDED ANCHOR MEMBERS
Document Type and Number:
WIPO Patent Application WO2001002830
Kind Code:
A8
Abstract:
A device used to indicate whether a predetermined compressive load has been applied to the device. The device is formed to receive an anchor member upon which a tensioning force is to be applied in conjunction with loading the device. The device itself has an upper press (3) that has an aperture formed to receive the anchor member (8) and also has means for manipulating a washer (4). The device also has a lower die (2) with an aperture formed to receive the anchor member. The lower die is formed so as to be able to work in conjunction with the upper press when the upper press and lower die are aligned and moved towards each other. The lower die also has means for manipulating the washer. The means for manipulating the washer are also formed to cooperate with the means for manipulating the washer on the upper press. The device also has a washer that lies between the upper press and the lower die. The washer is formed so that when the washer is acted upon by the means for manipulating the washer of the upper press and the lower die it will indicate visually whether a selected compression load has been applied to the washer.
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Inventors:
LEEK WILLIAM F (US)
LUTHY M JOE (US)
LUTHY M JOE (US)
Application Number:
PCT/US2000/018077
Publication Date:
March 29, 2001
Filing Date:
June 30, 2000
Export Citation:
Assignee:
SIMPSON STRONG TIE CO INC (US)
LEEK WILLIAM F (US)
LUTHY M JOE (US)
LEEK WILLIAM F (US)
LUTHY M JOE (US)
International Classes:
F16B31/02; G01L5/24; (IPC1-7): G01N3/08; F16B31/02; G01L5/24
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