Apparatus for trimming adhering scrap from a punched cardboard b

Details Apparatus for trimming adhering scrap from a punched cardboard b Apparatus for trimming adhering scrap from a punched cardboard b

1976-05-19

1977-06-28

McGlynn, Joseph H.

83103, 93 59ES, B26F 302

Patent

active

040318168

ABSTRACT:
Adhering scrap is trimmed from a punched cardboard blank by apparatus in which driven surface portions of two conveyors in a common plane define successive, spaced-apart parts of a path of travel for the blank. A roller rotatable between the conveyors has a resilient surface layer to which the path is tangential. A carrier is trained over two pulley assemblies of which one is separated from the roller by the path of the blank, and the carrier is guided by the second pulley assembly so that a portion of the carrier is spacedly parallel to the common plane. Ejectors on the carrier project into the path of the blank, displace adhering scrap and remain in the opening of the blank thus formed until the scrap is securely separated from the blank.

REFERENCES:
patent: 475246 (1892-05-01), Morton
patent: 842611 (1907-01-01), Bell
patent: 3235149 (1966-02-01), Armstrong, Jr. et al.
patent: 3524364 (1970-08-01), Bishop
patent: 3887063 (1975-06-01), Villanueva et al.
patent: 3956974 (1976-05-01), Schroter
patent: 3964655 (1976-06-01), Kotaro

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