All corrugated transfer file

Details All corrugated transfer file All corrugated transfer file

1975-04-22

1976-05-18

Nunberg, Casmir A.

Supports: cabinet structure

Sectional-unit type

Knockdown

229 19, 312259, A47B 4700

Patent

active

039573206

ABSTRACT:
In a collapsible filing box comprising a sleeve containing a drawer, the sleeve is reinforced so as to require no internal liner and no support from the drawer. To this end, flaps at the front end of the side panels of the sleeve are folded upon themselves to form reinforcing pillars within the mouth of the sleeve and supporting the top panel of the sleeve, and flaps closing the rear of the sleeve extend between the bottom and top panels of the sleeve to provide further support for the latter.

REFERENCES:
patent: 2095583 (1937-10-01), Wigeland et al.
patent: 2121190 (1938-06-01), Fellowes
patent: 2451012 (1948-10-01), Zalkind

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