Process for manufacturing blown film sheeting

Details Process for manufacturing blown film sheeting Process for manufacturing blown film sheeting

1977-05-17

1979-02-06

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 401, 264 403, 264572, 264540, 264146, 425 72R, 4253261, B29F 308

Patent

active

041384539

ABSTRACT:
Blown film sheeting is manufactured using a tubular film blowhead fitted with internal and external air cooling devices, a collapsible frame for flattening the tubular film and a slitting device positioned above the frame for producing the film in sheet form just prior to removal of the film on dual takeoff rolls. The invention is particularly adaptable for thermoplastic polyethylene film.

REFERENCES:
patent: 3088167 (1963-05-01), Corbett
patent: 3170011 (1965-02-01), Cheney et al.
patent: 3291876 (1966-12-01), Justus
patent: 3355531 (1967-11-01), Barnhart et al.
patent: 3491009 (1970-01-01), Ramaika
patent: 3762853 (1973-10-01), Upmeier
patent: 3775035 (1973-11-01), Scotto et al.
patent: 3976733 (1976-08-01), Havens
patent: 4003973 (1977-01-01), Kurokawa et al.

Affiliated with

Also associated with

Rating

Process for manufacturing blown film sheeting does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for manufacturing blown film sheeting, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for manufacturing blown film sheeting will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-891443