Method and apparatus for joining a tubular element to a support

Details Method and apparatus for joining a tubular element to a support Method and apparatus for joining a tubular element to a support

1978-01-31

1980-05-27

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

291574, 2924352, B21D 3900, B23P 1100, B23P 1102

Patent

active

042043123

ABSTRACT:
The invention provides method of securing a tubular element such as a heat exchange tube to a support such as a tube plate. The method involves inserting an over-size ultrasonically vibrating tool therein to expand the element outwardly against the internal wall of the aperture. The invention also provides apparatus for carrying out the method.

REFERENCES:
patent: 1166040 (1915-12-01), Burlingham
patent: 1647447 (1927-11-01), Hartnett
patent: 1753677 (1930-04-01), Andresen
patent: 2482490 (1949-09-01), Kaas
patent: 2939251 (1960-06-01), Greening
patent: 3166828 (1965-01-01), Tupper
patent: 3224086 (1965-12-01), Balamuth
patent: 3428338 (1969-02-01), Corwin

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