Title: Slide frame-welding apparatus

Abstract: The apparatus serves to weld together the two parts of a slide frame which is made of plastics material and consists of a base part and a cover part, and to align the welded frames on carrying and centering rods. The apparatus comprises two feed wells, from which tracks extend to an ultrasonic welding horn, and downwardly flaring two centering wells, which succeed the ultrasonic welding horn and are provided each with a plunger disposed above the track.

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Inventors: Mundt, Peter Hans Ernst (8100 Garmisch-Partenkirchen, DT)
Urban, Otfried (8100 Garmisch-Partenkirchen, DT)
Neuhold, Arnold (8105 Farchant, DT)

Application Number: 399538
Filing Date: 1973-09-21
Publication_date: 1976-03-09
Assignee:
Primary Class(es): 156/443 156/557, 156/571, 156/580.1
Other Classes:
US Patent Ref:

1454701	May, 1923	Clarke	156/442.
1485051	Feb, 1924	Pitney	156/442.
3067805	Dec, 1962	Flynn	156/108.
3255067	Jun, 1966	Sontheim et al.	156/570.
3562074	Feb, 1971	Mundt et al.	156/580.
3565721	Feb, 1971	Spaulding et al.	156/557.
3709755	Jan, 1973	Wochner	156/557.
3816219	Jun, 1974	Hurlbut et al.	156/108.

Other Refs:
Primary Examiner: Drummond, Douglas J.
Assistant Examiner: Wityshyn, M. G.
Attorney: Fleit & Jacobson