Apparatus for making blanks and strips of blanks

Cutting – With product handling means – Including means to form or hold pile of product pieces

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Details

83300, 83302, 83303, 83333, 83345, 83667, 83682, B23D 2512

Patent

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048460338

ABSTRACT:
Polygonally-shaped blanks useful in making products such as can parts are formed by dividing a relatively wide web of material into a plurality of relatively narrow strips, each strip having longitudinal edges delimited by scroll lines formed from a plurality of straight scroll line sections. The strips can be arranged parallel to a longitudinal axis of the web or at an angle relative thereto. It is also possible to divide the strips into individual blanks at a scrolling station or at a remote can making station. The polygonal shape of the blanks permits them to be designed so as to compensate for earing caused by the anisotropy of the material from which the web is made. Various punches and slitting arrangements can be employed to perforate the web and to longitudinally and laterally cut it so as to form the strip and/or blanks therefrom.

REFERENCES:
patent: 1433138 (1922-10-01), Kruse
patent: 1532538 (1925-04-01), Langston
patent: 1679883 (1928-08-01), Speer
patent: 1812654 (1931-06-01), Kirschbraun
patent: 1826889 (1931-10-01), Koch
patent: 1957863 (1934-05-01), Tuttle et al.
patent: 2151028 (1939-03-01), Hayward
patent: 2378041 (1945-06-01), Sebell
patent: 2387767 (1945-10-01), Nordquist
patent: 3106859 (1963-10-01), Huffman
patent: 3388582 (1968-06-01), Wesstrom et al.
Littell, LM-1 Scroll Sheeting Line, Bulletin G-36 pp. 1-20.

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