Mold for forming joints between conduits

Details Mold for forming joints between conduits Mold for forming joints between conduits

1978-02-01

1979-03-13

Lake, Roy

Static molds

In situ construction engineering type or building type-mold...

Forming hydraulic and earth control type product in situ

249145, 249183, B28B 728

Patent

active

041438493

ABSTRACT:
A mold for forming joints between a pair of pipes, such as sewer pipes extending into a man hole, where the mold includes a pair of mold parts extendable into the interiors of the pipes and having on first ends interengagable means for joining the mold parts together at one angular orientation and having on second ends interengagable means for joining the mold parts together at a different angular orientation so that one set of mold parts may be used to form joints between pairs of pipes in either of two orientations.

REFERENCES:
patent: 405652 (1889-06-01), Baade
patent: 725098 (1903-04-01), Learned
patent: 3734450 (1973-05-01), Lengel
patent: 4085918 (1978-04-01), Wilkerson

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