Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1988-02-10
1989-08-01
Simmons, David
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
53134, 53234, B65B 6304
Patent
active
048530719
ABSTRACT:
An apparatus for the conditioning in envelopes of individual dual-use filter sachets, obtained from a flattened tube of thermally weldable filter paper, having multiple bags or pouches defined by transverse thermal welds in continuous production machines, with labels, thread and fastening tabs for same, cutting the tube into portions comprising at least two pouches across the fastening tabs, folding the portions in fan-shape along the intermediate transverse thermal weld and setting up these pouches adjacent to each other for joining the corresponding adjacent extremities. Such an apparatus has a device for feeding portions of packing paper located underneath said multiple pouches folded into fanshape between the folding and transfer unit capable of transferring the pouches through a fixed folder effecting a U-shaped fold between the prongs of pincers of an intermittently rotating pincer wheel for joining the aforesaid adjacent extremities and for peripherally sealing the envelope enclosing the sachet.
REFERENCES:
patent: 3566573 (1971-03-01), Irmscher
patent: 3774369 (1973-11-01), Klar
patent: 3969873 (1976-07-01), Klar
patent: 4021993 (1977-05-01), Widmer
patent: 4288224 (1981-09-01), Romagnoli
Cestind - Centro Studi Industriali-S.R.L.
Dubno Herbert
Simmons David
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