Pad for setting concrete

Details Pad for setting concrete Pad for setting concrete

1982-10-27

1984-01-03

Cannon, James C.

Sewing

Products

Sewn web or sheet

112441, 264 31, 264 79, 264DIG43, 404 72, 428 71, 428137, 428157, 428159, 428189, 428193, 4283144, 4283148, 4283186, 4283193, B32B 708

Patent

active

044236948

ABSTRACT:
The invention relates to a pad for concrete intended to appreciably reduce the setting time of concrete. This pad comprises an essentially water an air tight flexible cover enclosing a heat insulating cushion resting directly over a lower part intended to be laid in contact with the surface of concrete. This lower part is made up of ribbons woven together in the form of a network in such a manner as to have a good mechanical resistance to wear by friction and so as to create a zone between the heat insulating cushion and the surface of the concrete capable of allowing the excess water oozing through the concrete surface to flow only slowly away, thereby avoiding the need of water from an outside source, allowing also the heat resulting from the setting reaction of concrete to accumulate inside the interstices of said network thus to accelerate the setting of the concrete. This pad is particularly useful and efficient during the year's period of cold weather where the setting of concrete is particularly long.

REFERENCES:
patent: 1768366 (1930-06-01), McKesson
patent: 1841928 (1932-01-01), Anderson
patent: 1841931 (1932-01-01), Weber
patent: 1909177 (1933-05-01), Honegger
patent: 1965111 (1934-07-01), Angier
patent: 1999152 (1935-04-01), Finley
patent: 2003988 (1935-06-01), Angier
patent: 2033989 (1936-03-01), Levine
patent: 3649725 (1972-03-01), Olson

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