Tie rod with expandable locking cone

Details Tie rod with expandable locking cone Tie rod with expandable locking cone

1975-08-06

1976-12-21

Lazarus, Richard B.

Static molds

Mold element

In situ construction engineering or building type

249 40, 249217, E04G 1708

Patent

active

039984249

ABSTRACT:
A tie structure is provided for use in conjunction with concrete forms and includes structure whereby the form sections are prevented from collapsing inward until concrete is poured in the form. A first form of tie includes an expandable locking cone which may be expanded in diameter on the inner side of the form after the tie is placed in position in the form and as the locking lever of an associated waler bracket is moved to the applied position. A second form of tie construction utilizes an axially compressible and radially expandable sleeve for expansion in the tie opening formed in the concrete form.

REFERENCES:
patent: 3018538 (1962-01-01), Gates
patent: 3482813 (1969-12-01), Wells et al.
patent: 3638904 (1972-02-01), Franklin et al.
patent: 3907244 (1975-09-01), Abbott
patent: 3918673 (1975-11-01), Abbott
patent: 3926400 (1975-12-01), Franc

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