Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se
Patent
1991-03-21
1992-10-20
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
156 71, 264 34, 264 35, 264133, 264246, 264256, 264259, 264261, 264274, 264316, 264318, 264333, 264334, 264338, 264DIG31, B28B 116, B28B 736, B32B 3106, F04B 116
Patent
active
051567911
ABSTRACT:
A depositing method of wall concrete, in which unset concrete is deposited in a form, includes the step of disposing a non-hygroscopic soft sheet which has a large number of hollow projections or ridges on an inner surface of the form being deformable when lateral pressure is applied thereto by the hardening of the concrete.
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Itoh Tetsuya
Maeda Hisashi
Nakajima Kazuyuki
Ogasawara Kazuhiro
Ohtsu Tatsuya
Aftergut Karen
Inax Corporation
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