Method of and an apparatus for producing disposable syringes and

Details Method of and an apparatus for producing disposable syringes and Method of and an apparatus for producing disposable syringes and

1980-12-10

1983-10-11

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

294695, 29512, 29523, 156221, 1562739, 1562744, 156288, 156294, 1563031, 1563797, 219483, 604272, A61M 534, B29C 1906, B29C 2730

Patent

active

044090463

ABSTRACT:
A metallic syringe tube is fused to a plastic fitting into which the tube is inserted so that the inner end of the tube contacts the fitting, by clamping the tube between a counterelectrode which acts as an abutment for the inner end of the tube and a clamping jaw which engages the free end of the tube, and applying a resistance heating voltage to the tube between the counterelectrode and a location between the fitting and the clamping jaw for heating at least a portion of the syringe tube inner end in contact with the fitting to the melting temperature of the plastic forming the fitting.

REFERENCES:
patent: 2980565 (1961-04-01), Bardach et al.
patent: 3174890 (1965-03-01), Goyke
patent: 3436803 (1969-04-01), Sarnoff
patent: 3437788 (1969-04-01), Lingley
patent: 3913421 (1975-10-01), Hawkins
patent: 3982097 (1976-09-01), Seider et al.
patent: 4251310 (1981-02-01), Goldhaber et al.
patent: 4266543 (1981-05-01), Blum

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