Static molds – Container-type molding device – Plural article forming mold – or molds with community feature
Patent
1975-01-17
1976-10-12
Shapiro, Jacob
Static molds
Container-type molding device
Plural article forming mold, or molds with community feature
61 39, 61 45C, 61100, 61 50, 61 5352, 61 54, 61 56, 52169R, 52742, 249 1, E02B 100, E02D 500, E02D 518
Patent
active
039849899
ABSTRACT:
Means for repairing or forming structural bodies of self-hardening fluid cement mortar, in a subaqueous or other situs, utilizing a body-forming cavity including body-shaping walls of porous fabric in combination with openwork matrix means. Fluid mortar or like cementitious material is pumped into the cavity to fill the same and expand the fabric walls against tensional restraint of the fixedly maintained matrix means. Pressure of fluid material may be continued against restraint of the matrix means until small proportions of the fluid material ooze through the porous fabric, which indicates attainment of a lower water-cement ratio in the formed body, after which the fluid material is allowed to set and harden to such given formed shape.
REFERENCES:
patent: 1265164 (1918-05-01), Barry
patent: 1530662 (1925-03-01), Gibbons
patent: 3197964 (1968-08-01), Fehlmann et al.
patent: 3345824 (1967-10-01), Turzillo
patent: 3396545 (1968-08-01), Lamberton
patent: 3397260 (1968-08-01), Lamberton
patent: 3555751 (1971-01-01), Thorgusen
patent: 3780975 (1973-12-01), Turzillo
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