Method for forming a curved interior profile to a cementitious m

Details Method for forming a curved interior profile to a cementitious m Method for forming a curved interior profile to a cementitious m

1989-11-01

1991-10-22

Silbaugh, Jan H.

Hydraulic and earth engineering

Earth treatment or control

Chemical

521697, 52742, 52743, 118105, 249 10, 249DIG3, 264 32, 264 33, 264 34, 264 35, 264269, 264309, 264312, 425 59, 425458, 425460, 427356, B05D 312, B28B 1900, B29C 4108, E04B 116

Patent

active

050590677

ABSTRACT:
A method for forming cementitious material, such as gunite or the like, to a desired cross-sectional profile for an interior structure such as a swimming pool, skateboard bowl or the like. A forming assembly includes a cutting edge, which is formed so as to correspond to the final desired profile of the structure. The forming assembly is mounted so as to be pivotable about a pivot axis substantially coincident with the center of the structure being formed. In this manner, when the cementitious material is applied to the side walls and bottom of the excavation to a depth slightly greater than that as finally desired, and the forming assembly pivoted 360.degree. about its pivot axis, the final desired cross-sectional profile of the structure is attained due to the action of the forming assembly striking off the excess material applied to the excavation.

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