Sealing machine

Details Sealing machine Sealing machine

1975-06-09

1977-01-25

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156444, 156477R, 156479, 156522, 156DIG31, B32B 3100

Patent

active

040049620

ABSTRACT:
An automatic machine which utilizes sealing tape to seal the edges of a folded article passing therethrough. The machine is so designed that articles which do not require sealing pass through unimpeded. Other articles are sealed by one or more cylindrically-shaped tape applying heads, to each of which there is fed a supply of sealing tape, in combination with folded apparatus. At the appropriate time each of the taping heads is caused to advance against the article to be sealed, causing a portion of the tape to stick to the article. The taping head revolves slightly under the influence of the moving article and then comes to an abrupt halt, breaking the tape. The folding apparatus holds the non-adhered portion of the detached tape around the edge to be sealed and into engagement with the opposite side of the article.

REFERENCES:
patent: 1732908 (1929-10-01), Murphy
patent: 2056451 (1936-10-01), Haberstump
patent: 2062280 (1956-12-01), Aanesen et al.
patent: 2652166 (1953-09-01), Johnson
patent: 3322600 (1967-05-01), Harrison et al.
patent: 3447987 (1969-06-01), Williams
patent: 3745081 (1973-07-01), Erekson
patent: 3798109 (1974-03-01), Gamroth

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