Packaging machines and methods of packaging articles

Details Packaging machines and methods of packaging articles Packaging machines and methods of packaging articles

1975-10-07

1977-02-22

Spruill, Robert Louis

Package making

Interrelated or safety controls

53 22A, 53112A, 53184R, B65B 4710

Patent

active

040085546

ABSTRACT:
A packing machine is described having rollers respectively guiding first and second webs of flexible packing material along a horizontal path, and a conveyor for feeding a succession of articles onto the first web to be conveyed by the first web along the horizontal path. Two blocks are provided for forming a cavity around each article and through which the two webs pass. A pressure difference is provided to inelastically expand the two webs to conform to opposite halves of the cavity in which the article is housed and so form pockets therein. Two heat sealing blocks are located downstream of blocks to seal the perimeter of the pocket in the first web to the perimeter of the adjacent pocket in the second web.

REFERENCES:
patent: 3805486 (1974-04-01), Mahaffy et al.

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