Quality control process

Details Quality control process Quality control process

1981-07-09

1983-08-23

Bray, W. D.

Woodworking

Process

Mechanical cutting or shaping

83 71, 83358, 101426, 106 20, 134 29, 144 3N, 144356, B27M 100

Patent

active

043998496

ABSTRACT:
The invention provides a quality control process for lumber-cutting operations. It normally includes the following steps: (1) treating, with a normally invisible indicator, a portion of the lumber to be cut; (2) recording the physical properties of the portion of lumber; (3) commingling the treated, recorded portion with the remainder of the lumber; (4) performing cutting operations on the lumber; (5) imposing conditions on the lumber that will render the indicator visible on the treated portion; and (6) comparing the cut pieces of the treated, recorded portion with the precut record to determine the efficiency of the cutting operations.

REFERENCES:
patent: 2086745 (1937-07-01), Sell
patent: 2089413 (1937-08-01), Paine et al.
patent: 2137463 (1938-11-01), Shields
patent: 2161205 (1939-06-01), Shields
patent: 2228033 (1941-01-01), Martone
patent: 3360337 (1967-12-01), Edenbaum et al.
patent: 3780777 (1973-12-01), Davies
patent: 3848646 (1974-11-01), Miles
patent: 3955502 (1976-05-01), von Hofe
patent: 4070194 (1978-01-01), Arakowa
patent: 4283975 (1981-08-01), Knoll

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