Tube cut-off machine

Details Tube cut-off machine Tube cut-off machine

1974-06-25

1976-04-13

Abercrombie, Willie G.

Cutting

By tool inside hollow work

One tool having only rectilinear motion

83 54, 83198, B26D 316, B23D 2100

Patent

active

039496325

ABSTRACT:
A method of cropping profile material, such as a tube, to a certain width which material is moved to a cropping mechanism by means of a feeding mechanism, the end portion of the profile material or the tube is fed into the cropping mechanism to a certain width and fixed therein, after which the cropping mechanism of the device is displaced crosswise to the feeding mechanism, whereby a tube or portion of the profile material is cropped off during which a divisible supporting member or mandrel omnilaterally fitting the portion or tube until the said cropped-off portion is ejected from the moving cropping mechanism, characterized in that the divisible elements of the supporting member or mandrel adhere together during cropping-off the portion of the profile material or tube, such that the adhesive effect between the elements proportionally decreases at the rate the cropping operation progresses and wherein the cropped off part being positively pressed mainly in axial direction.

REFERENCES:
patent: 2404901 (1946-07-01), Cibs
patent: 2412930 (1946-12-01), Walklet
patent: 2428540 (1947-10-01), Babbitt et al.
patent: 3750505 (1973-08-01), Organ et al.

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