Apparatus for manufacture of tubular film from thermoplastic res

Details Apparatus for manufacture of tubular film from thermoplastic res Apparatus for manufacture of tubular film from thermoplastic res

1974-08-28

1976-01-13

Shore, R. J.

Plastic article or earthenware shaping or treating: apparatus

Including means advancing continuous length work through...

425 72, 425140, 425326R, 425380, 425388, 425404, B29C 1700

Patent

active

039320804

ABSTRACT:
An apparatus for manufacturing a tubular film from thermoplastic resin which comprises an extruder fitted with an annular die; a mechanism for introducing air into a tubularly inflated film; a cylindrical water cooler which consists of an annular cooling water reservoir disposed at the upper part, a cap member covering said water cooling reservoir, a vacuum sizing chamber positioned below said cooling water reservoir, an annular cooling water discharging chamber located below said sizing chamber and an annular vacuum suction chamber bored with a suction port so as to remove residual water, the underside of said cap member and the upper side of said sizing chamber defining an annular passageway of cooling water; a mandrel received in the cylindrical water cooler so as to internally cool the tubular film; and a film take up mechanism.

REFERENCES:
patent: 3142092 (1964-07-01), Ralston
patent: 3159698 (1964-12-01), Suh et al.
patent: 3400184 (1968-09-01), Matsuo et al.
patent: 3532780 (1970-10-01), Kakutani et al.
patent: 3819790 (1974-06-01), North et al.
patent: R26991 (1970-11-01), Luca

Affiliated with

Also associated with

Rating

Apparatus for manufacture of tubular film from thermoplastic res does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for manufacture of tubular film from thermoplastic res, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for manufacture of tubular film from thermoplastic res will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-743751