Foerfarande och apparatur foer bildande av en svetsfog i termoplastiskt band med differentialtryck

• Main Author: KOBIELLA, ROBERT J
• Format: Patent
• Language: Finnish
• Published: 01.05.1994
• Edition: 5
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS; PACKING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; STORING; TRANSPORTING; UNPACKING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The appts. (30) comprises essentially an anvil (32) and an opposed strap engaging member (80), with serrated faces (34, 112) through which the strap (U,L) passes. Anvil (32) has positioner that allows it to squeeze strap (U,L) against member (80) and plunger (92) at a first position, against plunger...