Method and apparatus for the formation of tubular containers fro

Details Method and apparatus for the formation of tubular containers fro Method and apparatus for the formation of tubular containers fro

1975-05-07

1977-02-22

Spruill, Robert Louis

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

93 94PS, 156218, 156446, B31C 100

Patent

active

040086518

ABSTRACT:
A non cylindrical tubular container is formed from a blank creased to delineate contiguous hexagonal cells. The blank is provided with tabs at one edge which engage in slots in a mandrel having a pair of hexagonal ends between which extends a contoured surface that initiates folding of the blank about its creases. The blank is first partially wrapped around the stationary mandrel and glue is applied to the free end of the blank. Wrapping is completed by rotating the mandrel so that the ends of the blank overlap. The overlapped ends are pinched together by a presser bar that pushes the ends against the mandrel. The completed tubular container is then pulled off the mandrel by gripping one edge of the container and pulling it endwise away from the mandrel.

REFERENCES:
patent: 537053 (1895-04-01), Lutz
patent: 2664036 (1953-12-01), Triolo
patent: 3665819 (1972-05-01), Gardner

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