Formwork

Details Formwork Formwork

2005-08-30

2005-08-30

Friedman, Carl D. (Department: 3635)

Static molds

Mold element

In situ construction engineering or building type

C249S112000, C249S113000, C249S115000

Reexamination Certificate

active

06935606

ABSTRACT:
A Formwork includes rigid casting panels constructed to receive a batch of poured concrete. The surfaces of the panel exposed to contact the concrete are covered with a water absorbing liner coated or impregnated with a photocatalysis compound. The photocatalysis compound in a semiconductor material, such as titanium dioxide powder, which activated by sunlight to generate oxygen radicals.

REFERENCES:
patent: 5169585 (1992-12-01), Le Gourrierec
patent: 5174083 (1992-12-01), Mussell
patent: 2250606 (2000-04-01), None
patent: 2156416 (1985-10-01), None
patent: 02-043464 (1990-02-01), None
patent: 04-337363 (1992-11-01), None
patent: 05-194878 (1993-08-01), None
Photosetting coating composition for application on concrete mold, Masato et al., Nov. 25, 1992,Patent Abstracts of Japan 04-33736.
The use of fabric as a concrete form liner, Hanna, Oct. 15, 1998, CA 2250606.
Visisble Light Photocatalysis in Nitrogen-Dope Titanium Oxides, Asahi, Jul. 13, 2001 American Association for the Advancement of Science, 293, 269.
Hawley's Condensed Chemical Dictionary, Lewis, 1997, John Wiley and Sons.

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