Multiple use concrete form liner

Details Multiple use concrete form liner Multiple use concrete form liner

1976-04-28

1979-03-27

Lazarus, Richard B.

Static molds

Including means within surface to confine heat exchange medium

Mold part of particular material

249 16, 249 78, 249112, 249189, E04G 910, B28B 736

Patent

active

RE0299456

ABSTRACT:
A multiple use, flexible, elastomeric liner for forms for concrete faced walls prepared by having a series of rigid panels in side by side relation, includes panels of liners for rigid panels having a concrete contacting face of a flexible, elastomeric synthetic polymer used throughout as a negative mold of a desired design in the finished concrete and having an opposed planar surface for face engagement with the form panels. The liner panels will not support the concrete for the wall without the backing panels. The elastomeric liner is a soft, flexible, resilient, elastomeric synthetic polymeric material which permits sharp relief designs having undercuts, and in edge engagement with similar panels squeeze together for a seamless surface in the completed concrete while leaving the impression of itself in exact detail in the hardened concrete.

REFERENCES:
patent: 2964800 (1960-12-01), Dorsett
patent: 3088753 (1963-05-01), Sendor
patent: 3185432 (1965-05-01), Hager
patent: 3245648 (1966-04-01), Johansson
patent: 3381929 (1968-05-01), Bancker
patent: 3428725 (1969-02-01), Delmonte
patent: 3602476 (1971-08-01), Iragorri
patent: 3615071 (1971-10-01), Harper
patent: 3617369 (1971-11-01), Lombardo
patent: 3650795 (1972-03-01), Willingham

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