Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1990-06-18
1992-06-16
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
156198, 1563084, 493156, 493308, B32B 3100
Patent
active
051222183
ABSTRACT:
This invention is directed to apparatus, and to the method for crimping and sealing the end of a thin walled, inflexible plastic tubing member, such as made from vinyl, PVC and the like, where such end preferably exhibits a uniquely configured end design in the shape of an arrowhead. The apparatus includes a frame having mounted thereon a carousel for operating in an intermittent, rotational mode among plural operating stations arranged in a circular sequence. The stations are arranged sequentially to receive the tubular plastic member, heat one end thereof to a preferred temperature between about 200.degree. to 212.degree. F. for a period of about 5 to 15 secounds, apply a plastic compatible adhesive to the inner wall of the heated one end, and crimp and seal said one end by applying a compressive force to the one end to bring opposing walls thereof into sealing engagement, while maintaining such compressive force for a sufficient time to effect the sealing of the one end. To effect the crimping and sealing on a continuous basis, plural molding stations are arranged along a reciprocating rail, where said rail is tangentially arranged relative to the rotating carousel. By the use of a suitable microprocessor, the intermittent rotation and work of the carousel may be synchronized with the reciprocating rail to bring each of the plural molding stations in a predetermined sequence into registry with the crimp and seal station.
REFERENCES:
patent: 3445922 (1969-05-01), Leghorn
patent: 3765144 (1973-10-01), Schiesser
patent: 4515648 (1985-05-01), Kolbe et al.
patent: 4820364 (1989-04-01), Graham
Glick Lloyd J.
Lapp, Jr. John K.
Martin Lloyd M.
Barker Robert
Noll William B.
Quality Fencing & Supply, Inc.
Simmons David A.
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