Method of connecting two pipes

Details Method of connecting two pipes Method of connecting two pipes

1993-04-07

1994-03-15

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Assembling or joining

29423, 29507, 2853824, 2853827, B21D 3904, F16L 1314

Patent

active

052936791

ABSTRACT:
A method of connecting two pipes is provided. The method includes the steps of inserting a first pipe into a die and the smaller end of an intermediate tubular member into a neck portion of a second pipe. Next, the intermediate tubular member together with the second pipe are inserted into the first pipe, with its larger end bearing against a shoulder of the first pipe. The neck portion of the second pipe is pressed into the space between the intermediate tubular member and the first pipe. Then, a plastic rod is inserted into the intermediate tubular member and pressed. The plastic rod thereby forces the intermediate tubular member and the neck portion of the second pipe to conform with the cavities of the first pipe. Lastly, the plastic rod is withdrawn from the intermediate tubular member and the die is removed from the first pipe. The two pipes are thereby firmly and rapidly connected together.

REFERENCES:
patent: 3432916 (1969-03-01), Fisher et al.
patent: 3534988 (1970-10-01), Lindsey
patent: 4109365 (1978-08-01), Tygart
patent: 5031301 (1991-07-01), Oetiker

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