Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1996-07-01
1998-04-14
Aftergut, Jeff H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156324, 33755, 33771, G01B 310
Patent
active
057387435
ABSTRACT:
The present invention relates to a treatment process for covering top of the measuring tape, and both sides of the blank of the measuring tape are treated with sand blast, then cleansed and blown dried, and one side is coated with adhesive, dried up to optimum attaching state, and then aluminum-foil is stuck to the coating side on the blank, and both are rolled into a spool after passing by a set of roller for sending into the oven for drying. The spool is stretched to the coater for coating double-side adhesive, and the adhesive is dried to the optimum attaching state. Before coating, the aluminum-foil is printed with scale lines, and finally transparent polyester film is covered on both sides of the blank of the measuring tape which is passed by a set of roller for firmly pressing together with the blank and then sent into the oven for drying. The process may produce a smooth and accurate measuring tape, and scale lines on the measuring tape can be durable for use without wearing, and it has the effect of extending the life of the measuring tape.
REFERENCES:
patent: Re229088 (1947-08-01), Witchger
patent: 3121957 (1964-02-01), Brown
patent: 3205583 (1965-09-01), Purbaugh
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