FIELD: process engineering.
SUBSTANCE: device is intended for assembly and sealing of articles from polymer film by annular seam to make bags and envelopes with sealed ring furnished with elastic ring on its activated surface. This device comprises base 1, electrode wheel 2, and holder 3 of parts to be sealed provided with rotary drive. Said holder 3 is composed of disc 4 furnished with cartridge 5 made from anti-adhesive material to support appliance 6 for elastic ring 29. Note here that pressure segments 7 connected with radial displacement drive adjoins said cartridge 5.
EFFECT: ease of assembly, higher quality of welding.
6 cl, 17 dwg
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Authors
Dates
2013-06-27—Published
2011-08-05—Filed