Apparatus for forming bottom heat seals

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work feeding or handling means

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

53374, 156553, 156582, 493205, 493208, B32B 3104

Patent

active

044365764

ABSTRACT:
Two face-to-face and continuously moving strips of heat-sealable material are guided around a drum adapted to rotate continuously about an upright axis and carrying a heated sealing ring on its lower end. The sealing ring is smaller in diameter than the drum and is offset radially inwardly from the drum in order to seal the bottom margins of the strips together without forming wrinkles in the seal.

REFERENCES:
patent: 2422676 (1947-06-01), Haman
patent: 2949151 (1960-08-01), Goldstein
patent: 3153607 (1964-10-01), Ambler
patent: 3339337 (1967-09-01), Rapp
patent: 3350988 (1967-11-01), Schultz
patent: 3933568 (1976-01-01), Schmermund
patent: 4018641 (1977-04-01), Donaldson

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Apparatus for forming bottom heat seals 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 forming bottom heat seals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for forming bottom heat seals will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-490793

All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.