Rotary apparatus for punching apertures into corrugated board ma

Details Rotary apparatus for punching apertures into corrugated board ma Rotary apparatus for punching apertures into corrugated board ma

1974-02-11

1976-03-30

Yost, Frank T.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

76107C, 93 36A, B26D 718

Patent

active

039466272

ABSTRACT:
A rotary cylinder is mounted opposite abutment means, and has a metal strip upstandingly mounted on the cylinder, with an exposed edge for cutting out a portion of said material. In order to automatically eject the cutout portions, at least one resilient ejector is mounted on the cylinder, within and adjacent the cutting strip. Advantageously, the ejector is provided in form of telescoping, outwardly spring-loaded shells, mounted on the cylinder to extend generally radially of the cylinder.

REFERENCES:
patent: 168011 (1875-09-01), Fry
patent: 623862 (1899-04-01), Armstrong
patent: 687905 (1901-12-01), Seymour
patent: 2113843 (1938-04-01), Kavle
patent: 2302855 (1942-11-01), Hallman
patent: 2522154 (1950-09-01), Asmussen
patent: 2679291 (1954-05-01), Collinson
patent: 3188900 (1965-06-01), Mauro
patent: 3395598 (1968-08-01), Martin
patent: 3524364 (1970-08-01), Bishop
patent: 3552244 (1971-01-01), Smith
patent: 3807262 (1974-04-01), Vits

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