Title: Method and apparatus for performing hot air welding of thermoplastic resin parts

Abstract: Thermoplastic resin parts are opposingly placed from each other and a concentrated blast of hot air is applied to opposite areas of these parts to be welded while the parts are rotating. After melting the opposing areas of these parts by application of the hot air thereto, the parts are then forced into integral contact with each other.

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Inventors: Ishii, Masami (Toyota, JP)
Kato, Nobuharu (Nagoya, JP)
Hota, Mikio (Toyota, JP)

Application Number: 06/299136
Filing Date: 1981-09-03
Publication_date: 1983-10-04
Assignee: Aisin, Seiki (JP)

Primary Class(es): 156/304.200 156/309.900, 156/82, 264/DIG.076, 156/497, 15
Other Classes: B29C65/00; B29C65/10; B29C65/78; C09J5/00; B29C25/00
US Patent Ref:

2229329	January, 1941	Kaspar	156/82
3024349	March, 1962	Hinrichsen et al.	228/48
3053726	September, 1962	Larson et al.	156/304.6
3128215	April, 1964	Hood	156/82
3860468	January, 1975	Scherer	156/73.5
3959058	May, 1976	Rath et al.	156/304.2
3968195	July, 1976	Bishop	156/82
4094725	June, 1978	Takeda et al.	156/497

Other Refs:
Primary Examiner: Kimlin, Edward C.
Assistant Examiner: Falasco, Louis
Attorney: Finnegan, Henderson, Farabow, Garrett & Dunner

Parent Case Data:

This is a division of application Ser. No. 136,050, filed Mar. 31, 1980,