Permeable liner having concrete setting retardant

Details Permeable liner having concrete setting retardant Permeable liner having concrete setting retardant

1975-11-13

1977-10-25

Husar, Francis S.

Static molds

Mold element

249112, 249114, 249134, 264338, B28B 736

Patent

active

040553221

ABSTRACT:
There is disclosed an article useful for producing concrete with textured patterns which includes a membrane of water permeable material having a pattern prepared on one side thereof with a water soluble retardant for the setting of cement and with the retardant pattern completely covered with a waterproof film that is bonded to the membrane immediately adjacent the retardant pattern. There is also disclosed a method for preparing concrete to have a pattern on its surface employing the article.

REFERENCES:
patent: 1600674 (1926-09-01), Kass
patent: 1668723 (1928-05-01), Johnson
patent: 2296553 (1942-09-01), Heritage et al.
patent: 2654935 (1953-10-01), Ager
patent: 3844527 (1974-10-01), Scott

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