Mechanism for centering reinforcing mesh

Details Mechanism for centering reinforcing mesh Mechanism for centering reinforcing mesh

1983-11-15

1985-03-19

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

249 83, 249117, 425262, B28B 702, B28B 2156

Patent

active

045056587

ABSTRACT:
An apparatus is disclosed for centering a reinforcing mesh which is in a pipe or conduit form for manufacturing reinforced concrete pipe or conduit. In order to automatically center the reinforcing mesh in a simple and reliable fashion, a plurality of mesh centering units are provided which are distributed at spaced intervals around the perimeter of the form. Each of these units comprises at least one radially outwardly extending member which penetrates through a receiving slot into the form to a depth which is adjustable depending on the external diameter of the reinforcing mesh. When the concrete introduced into the form is compacted, the member can be retracted to an inactive position from the operating position, in which it biases against the centered mesh.

REFERENCES:
patent: 3074112 (1963-01-01), Bobrow
patent: 3090999 (1963-05-01), Karns
patent: 3262175 (1966-07-01), Gourlie et al.
patent: 3461516 (1969-08-01), Boucher
patent: 3551967 (1971-01-01), Williams
patent: 3551968 (1971-01-01), Fosse et al.
patent: 4102973 (1978-07-01), Hanning
patent: 4151246 (1979-04-01), Lester et al.

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