Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With separate heating means for work
Patent
1984-07-20
1987-10-06
Czaja, Donald E.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With separate heating means for work
156 66, 156243, 15624425, 15625527, 156500, 156543, 156555, 156582, 26417719, 383 63, 425113, 425120, 425122, 425382R, 425814, 428 35, 428172, B29C 6900, B29D 510, B32B 104
Patent
active
046981187
ABSTRACT:
For producing a plastic film having a plastic fastener, with male and female interlockable profiles, and accessory strips, such as ribs and strips, in preparation of a reclosable plastic bag, there is provided a first forming die which extrudes the accessory strips, a separate second forming die which extrudes the fastener, a pair of nip rolls for press-bonding the accessory strips onto the surface of the film being fed in the vicinity of the first forming die, and a bonding roll for receiving the film with press-bonded accessory strips and the fastener from the second forming die placed onto the film surface such that the fastener is bonded to the surface of the film at the bonding roll by virtue of heat.
REFERENCES:
patent: 3787269 (1974-01-01), Noguchi
patent: 3945872 (1976-03-01), Noguchi
patent: 4419159 (1983-12-01), Herrington
patent: 4428788 (1984-01-01), Kamp
Bokan Thomas
Czaja Donald E.
Minigrip Inc.
LandOfFree
Apparatus for forming plastic fastener and plastic accessory str 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 plastic fastener and plastic accessory str, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for forming plastic fastener and plastic accessory str will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2115880