Metal working – Means to assemble or disassemble – Running-length work
Patent
1995-07-10
1997-12-02
Cuda, Irene
Metal working
Means to assemble or disassemble
Running-length work
29417, 29727, 29890053, B23P 1500
Patent
active
056922957
ABSTRACT:
The described apparatus produces an end closure for a pipe that forms part of a heat exchanger. The apparatus includes a frame, with first and second sides. A tubular through-channel has an opening on the first said that is delimited by a side surface extending around the opening. It is possible for a pipe which is intended to be closed, to be introduced into the tubular channel from the second side. A press tool executes a reciprocal motion through the channel. The press tool presses an end closure blank into the channel opening. A method for producing an end closure for a heat exchanger pipe also is described. The method comprises the measures of introducing a pipe into a channel in a frame. An end closure blank is pressed into the through-channel and on into the pipe. The blank, by engagement with the side surface of the frame, and thereafter with the inner limit surfaces of the channel is shaped to give a cup-shaped end closure which, with its aperture directed outward from the pipe end, fits into the latter.
REFERENCES:
patent: 3847058 (1974-11-01), Jesevich et al.
patent: 4580328 (1986-04-01), Klaschka
patent: 4974316 (1990-12-01), Suzuki et al.
patent: 5129246 (1992-07-01), Strickland et al.
patent: 5367759 (1994-11-01), Loew et al.
patent: 5444908 (1995-08-01), Kazino
Cuda Irene
Valeo Engine Cooling AB
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