Metal tools and implements – making – Saw-making or furbishing device or machine – Stretching
Patent
1988-03-04
1989-08-01
Parker, Roscoe V.
Metal tools and implements, making
Saw-making or furbishing device or machine
Stretching
72179, B23D 6318
Patent
active
048524301
ABSTRACT:
A band saw straightening machine having a sensor for detecting unevenness, a straightening station having special pairs of cooperative, complementarily shaped, blade staddling convex and concave rollers, a blade velocity measuring device, and a blade drive station, the pairs of respective rollers being actuated to operate on the blade when triggered with detection of unevenness by the sensor.
REFERENCES:
patent: 510210 (1893-12-01), Toomer
patent: 2623414 (1952-12-01), Senard
Armstrong Manufacturing Co. Literature, Portland, Ore., Armstrong Stationary Stretcher Rolls, pp. 53-57, section 6.
Muri Jakob
Oppliger Walter
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