Process and apparatus for determining the quality of a thin coat

Details Process and apparatus for determining the quality of a thin coat Process and apparatus for determining the quality of a thin coat

1986-01-06

1987-05-12

Bray, W. D.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflectors arranged to bend work longitudinally of...

72347, 72379, B21D 1108, B21D 2200

Patent

active

046639560

ABSTRACT:
The process is in particular intended for the manufacture of tinplate and comprises cutting a strip in the direction transverse to the direction of rolling of a reel of steel sheet, subjecting said strip to a drawing action by compression while bending the strip, and examining possible cracking on the surface of the drawn strip. This process is carried out in an apparatus which comprises a frame 1 supporting means 2 for pulling a steel strip and a head 4 for effecting a drawing action by compression while bending the strip. The head is connected to the frame and the steel strip 3 is passed through the head under the action of the pulling means 2.

REFERENCES:
patent: 4432222 (1984-02-01), Ujihara
patent: 4562715 (1986-01-01), Brun et al.

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