Machine installation for the production of thick-walled insulati

Details Machine installation for the production of thick-walled insulati Machine installation for the production of thick-walled insulati

1981-01-29

1983-04-19

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156 64, 156 82, 156363, 156378, 156446, 156459, 156497, 156510, B32B 3122

Patent

active

043804861

ABSTRACT:
A machine installation for the manufacture of a thick-walled insulating pipe of elastic, laminatable foamed synthetic resin sheet material, includes an apparatus for effecting the lamination of a foamed synthetic resin sheet material to form a multilayer insulating pipe having a length corresponding to the sheet width of the sheet of foam material and a finishing unit. The laminating apparatus has an expandable and rotatable mandrel equipped with a pneumatic expanding means and an infinitely variable drive mechanisms for rotating the mandrel to wrap the sheet material thereon, and a pressure roller which can be urged against the mandrel. The roller is movable pneumatically by a telescopic holder, and the mandrel is associated with a pivotably mounted burner and a cutter. The unit for finishing the initially formed pipe product has a shaft rotatable in timed segments with clamping jaws attached to holding arms that are spaced from the shaft; the jaws being capable of receiving an unfinished insulating pipe product and being opened and closed pneumatically. One holding arm is associated with a band cutter for trimming the end faces of the insulating pipe product, and another holding arm is associated with a blade for slitting the insulating pipe along its length.

REFERENCES:
patent: 2503041 (1950-04-01), Greene
patent: 3239399 (1966-03-01), King
patent: 3553046 (1971-01-01), Crawford et al.
patent: 3582430 (1971-06-01), Benigno
patent: 4149928 (1979-04-01), Graham

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