| 摘要 |
PURPOSE:To achieve a higher finishing accuracy, by applying an internal film on the inner wall of a sampling container for a concrete test object, a sheet film on the bottom thereof and an external film on the circumference thereof to achieve labor saving and speeding up for the molding of the test object and for form releasing/sampling work. CONSTITUTION:A proper size of an internal film 9 is inserted into a sampling container Y for a concrete test object T and is made to spread over the inner wall surface of the sampling container Y by an extending elastic force. Here, several sheets of the internal films 9 may be overlapped. A sheet film 8 is applied on the bottom of the sampling container Y. A proper size of an internal film 9 is inserted into a sampling container Z and is made to spread over the inner wall surface of the sampling container Z by an extending elastic force. An external film 16 is inserted into the circumferential surface of the sampling container Z while a sheet film 18 is applied on the bottom thereof. This not only can enhance production work efficiency remarkably but also can make the finish smooth in the circumferential surface and the bottom surface of the concrete test object.
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