Continuous structure forming method and the resulting product

Details Continuous structure forming method and the resulting product Continuous structure forming method and the resulting product

1990-05-10

1991-09-17

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Impermeabilization

156547, 156550, 405 38, 405 52, E02D 312

Patent

active

050490060

ABSTRACT:
A method of continuously forming an extended length of a unitary structure includes the following steps. A supply of a porous flexible blanket is provided. A high viscosity flowable solidifiable mixture is continuously flowed simultaneously into an entire continuously moving width of the porous flexible blanket. Pressure is applied against the treated blanket to form a uniform matrix therewith. The rate of advance of the blanket is monitored. The rate of advance is coordinated with the flow rate of the mixture into the blanket and with the pressure applied thereto. A substantially flat non-porous flexible envelope is positioned along the length of the treated blanket. The envelope/blanket combination is positioned along a desired path. A pressurized gas is introduced into the envelope. The envelope is inflated to move the treated blanket into a final configuration. The non-porous envelope is maintained in an inflated state until the treated blanket is set in the final configuration. Also, a unitary structure formed according to the above method.

REFERENCES:
patent: 2983636 (1961-05-01), Runton
patent: 3511729 (1970-05-01), Williams
patent: 3576696 (1971-04-01), Normanton
patent: 3813313 (1974-05-01), Feucht et al.
patent: 4035543 (1977-07-01), Draper et al.
patent: 4581247 (1986-04-01), Wood
patent: 4681783 (1987-07-01), Hyodo et al.
patent: 4770562 (1988-09-01), Muller et al.

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