Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1976-03-15
1977-01-04
Whitby, Edward G.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
29407, 29463, 33 94, 228110, 264 23, 264248, B32B 3116
Patent
active
040010635
ABSTRACT:
There is provided a method for constructing and assembling an improved measuring instrument in which the frame of the instrument is made by molding a first half of the frame and molding a mating second half of the frame. The frame halves each include working or reference surfaces utilized for measuring, and openings for receiving a vial. First and second cavities are formed in the border of each of the openings for positioning the vial so that it is aligned in a predetermined angular relationship with the working surfaces. In addition, each of the frame halves include second openings, and a recess formed in the border of the second openings and extending along the frame for receiving a retaining member for attaching a ruler to the frame of the instrument. In accordance with one form of the method, a vial is inserted in the first and second cavities of one of the molded frame halves so that the longitudinal axis of the vial is in a predetermined angular relationship with the working surfaces. The mating frame halves are then aligned relative to each other and are fastened to form a unitary structure. In another embodiment, the retaining member is molded simultaneously in the same mold with the same material as one of the molded frame halves.
REFERENCES:
patent: 2755556 (1956-07-01), Lindenbein
patent: 3513558 (1970-05-01), Kuehta et al.
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