Title:
FORM FOR MANUFACTURING SEGMENT
Document Type and Number:
Japanese Patent JP3929703
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a form for manufacturing a segment wherein a shape of an upper surface of a concrete can be made smooth and an air bubble of the concrete can be excellently removed.
SOLUTION: The form for manufacturing the segment comprises a form main body 11 having an opening in an upper side and a cover form 12 arranged so as to cover the opening in the upper side of the form main body 11 conrete is placed in a space surrounded by the form main body 11 and the cover form 12. A plurality of deaerating sheets 22 and 23 are superimposed between the cover form 12 and the form main body 11.
Inventors:
Akihiko Nakano
Munetaka Ozeki
Hirohide Hashimoto
Masayasu Wakabayashi
Ueura
Masaki Oishi
Munetaka Ozeki
Hirohide Hashimoto
Masayasu Wakabayashi
Ueura
Masaki Oishi
Application Number:
JP2001001416A
Publication Date:
June 13, 2007
Filing Date:
January 09, 2001
Export Citation:
Assignee:
Obayashi Corporation
Ishikawajima Building Materials Industry Co., Ltd.
Touhou Co., Ltd.
Ishikawajima Building Materials Industry Co., Ltd.
Touhou Co., Ltd.
International Classes:
B28B7/44; (IPC1-7): B28B7/44
Domestic Patent References:
| JP10015921A | ||||
| JP7068530A | ||||
| JP63130204U |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
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