Metal working – Means to assemble or disassemble – With means to test work or product
Patent
1978-03-06
1979-07-31
Gilden, Leon
Metal working
Means to assemble or disassemble
With means to test work or product
29407, B23Q 1700
Patent
active
041625730
ABSTRACT:
An assembly apparatus and method for use in the manufacture of strain indicators of the type in which a window and an indicator area are provided in a fluid filled capsule. Movement of the indicator area with respect to the window gives a visual indication of the load condition of the indicator. The assembly apparatus comprises means to provide for the initial placement of the fluid filled capsule into the tensile member of the strain indicator. Thereafter a compressive force is exerted on the capsule in order to bring the indicator area of the capsule in close proximity to the window with the tensile element in a relaxed condition. Following initial assembly the apparatus of this invention exerts a tensile pull on the tensile member of the strain indicator which causes the indicator area of the capsule to be separated from the window. Gap measuring means are employed to measure the distance between the window and the indicator area with the tensile element in a state of tension. Subsequently, adjustment means are utilized to adjust the gap to a predetermined value at load. The capsule is then fixed to the tensile member and the strain indicator is ready for use.
REFERENCES:
patent: 3248923 (1966-05-01), Blakely
patent: 3370336 (1968-02-01), Otto
patent: 3602976 (1971-09-01), Grube
patent: 3851386 (1974-12-01), Ellzey, Jr.
patent: 3960810 (1976-07-01), Pagano
patent: 4016762 (1977-04-01), Payne
Gilden Leon
Modulus Corporation
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