Apparatus for welding articles of thermoplasts

Details Apparatus for welding articles of thermoplasts Apparatus for welding articles of thermoplasts

1976-10-01

1978-01-17

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Work-secured and/or work-guided

156499, 156500, 156546, 156574, 156578, 156579, B32B 3112, B32B 3130

Patent

active

040690873

ABSTRACT:
The apparatus for welding articles of thermoplasts using additional welding material is provided with a special melting device for the welding material. The melting device comprises a guide channel for the supply and preheating of the welding material, which channel merges into a melting channel of diminishing cross section closed at one end. The melting channel is provided with lateral bores which discharge into a melting chamber of low height in communication with a collecting zone for the plasticized welding material, which collecting zone is connected with the outlet opening of the welding shoe.

REFERENCES:
patent: 2962759 (1960-12-01), Maccaferri
patent: 3580789 (1971-05-01), Wenzel
patent: 3713947 (1973-01-01), Hawkins

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