Blowing head for the manufacture of tubular film from thermoplas

Details Blowing head for the manufacture of tubular film from thermoplas Blowing head for the manufacture of tubular film from thermoplas

1995-02-15

1996-12-03

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

2642093, 264569, 4253261, B29C 4786

Patent

active

055805825

ABSTRACT:
A blowing head for the manufacture of tubular film from thermoplastic synthetic resin includes ducts for the supply and removal of internal cooling air, at least one supply duct for fused synthetic resin which opens into an annular outlet nozzle, an external cooling ring encircling the extruded synthetic resin film and a supply of air at different temperatures to sectors of the external cooling ring which are distributed over the periphery of the extruded tubular film for differentially heating or cooling the film.

REFERENCES:
patent: 4209475 (1980-06-01), Herrington et al.
patent: 4330501 (1982-05-01), Jones et al.
patent: 4373273 (1983-02-01), Church
patent: 4443400 (1984-04-01), Herrington
patent: 4606879 (1986-08-01), Cerisano
patent: 5281375 (1994-01-01), Konermann
patent: 5288219 (1994-02-01), Smith

Affiliated with

Also associated with

Rating

Blowing head for the manufacture of tubular film from thermoplas does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-783431