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Patent Searching and Data


Title:
MANUFACTURE OF CONCRETE PRODUCT AND HOPPER FOR PLACING CONCRETE USED BY THE SAME MANUFACTURE
Document Type and Number:
Japanese Patent JP3429576
Kind Code:
B2
Abstract:

PURPOSE: To provide a method for manufacturing a concrete product in which the product having no foam locus on the surface of the product can be obtained.
CONSTITUTION: A method for manufacturing a concrete product comprises the steps of lowering a hopper 10 for placing concrete from above a form 1 installed on a vibrating table 3, disposing the end near the bottom in the form 1, charging concrete C in the bottom of the form via the hopper 10 for placing the concrete, then lifting the hopper 10, tamping it by the table 3, and further placing the concrete C to the upper part of the form 1.


Inventors:
Takumi Watanabe
Akira Watanabe
Application Number:
JP25872494A
Publication Date:
July 22, 2003
Filing Date:
September 28, 1994
Export Citation:
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Assignee:
Maeda Pipe Manufacturing Co., Ltd.
International Classes:
B28B1/08; B28B13/02; (IPC1-7): B28B13/02; B28B1/08
Domestic Patent References:
JP60201904A
JP6011312A
JP6089305A
Attorney, Agent or Firm:
Takeshi Komeya