Heading machine

Details Heading machine Heading machine

1976-11-10

1978-02-21

Coan, James F.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

93DIG1, 156 69, 156497, B31B 1760

Patent

active

040746194

ABSTRACT:
A drum heading machine for securing a closure plate within an end of a tubular element or sleeve includes a mandrel for supporting the sleeve thereabout with an end of the sleeve projecting beyond an end of the mandrel to define a sealing area on the inner surface thereof and for supporting a closure plate disposed within the sealing area of the sleeve and in contact with the adjacent end of the mandrel, the outer peripheral sealing edge area of the closure plate being arranged to engage the inwardly crimped sealing area of the sleeve and at least one of the sealing areas being coated with thermoplastic material, a reciprocable header arranged to engage and crimp the projecting end of the tubular element inwardly to force said sealing areas into sealing contact with each other, and pneumatic means forming a part of the header and operable before crimping of said end of the tubular element is completed for simultaneously directing hot air to the entire outer peripheral sealing edge area of the closure element and to the entire sealing area of said tubular element.

REFERENCES:
patent: 2966833 (1961-01-01), Leibreich
patent: 3028798 (1962-04-01), Allen
patent: 3475243 (1969-10-01), Scalora
patent: 3602690 (1971-08-01), Rosenberg et al.
patent: 3604320 (1971-09-01), Duvall et al.
patent: 3724093 (1973-04-01), Olila
patent: 3825408 (1974-07-01), Farfaglia et al.

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