Ultrasonically bonded helically fabricated tubing and apparatus

Details Ultrasonically bonded helically fabricated tubing and apparatus Ultrasonically bonded helically fabricated tubing and apparatus

1982-05-12

1984-01-24

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Longitudinally progressive helical winding means

156143, 156195, 156 731, 1565801, 1565802, B32B 3100

Patent

active

044274858

ABSTRACT:
Flexible tubing formed of a wire helix wrapped helically with plastic tape having overlapping turns fused directly together ultrasonically, with no extraneous adhesive, and with knurling imprinted on the tubing interior, and apparatus and a method for making such tubing wherein a rotating cantilevered mandrel has a knurled anvil band over which overlapping edges of the tape pass to receive fusing vibrations from an adjacent ultrasonic horn.

REFERENCES:
patent: 2633894 (1953-04-01), Caraile
patent: 3312250 (1967-04-01), Sirignano
patent: 3660186 (1972-05-01), Sager et al.
patent: 3950213 (1976-04-01), Rejeski et al.
patent: 4214612 (1980-07-01), Putter

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