Title:
中空ＰＣ用型枠装置、ＰＣ棒状材、コンクリート製柱用建材及びその製造方法
Document Type and Number:
Japanese Patent JP6906340
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To form a hollow column for forming a hollow face in which adhesion between the precast part of an outer shell and post-deposited concrete in a hollow part is satisfactory.SOLUTION: Provided is a hollow frame device for a PC molding a concrete columnar body provided an outer die frame and an inner die frame and a hollow part by installing concrete into a gap formed both the die frames, where the inner die frame is provided with the surface of a core part obtained by helically arranging a flexible hose.SELECTED DRAWING: Figure 4
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Inventors:
Yousuke Nakamura
Jun Ueno
Nobuyuki Ariyama
Takanori Isaka
Jun Ueno
Nobuyuki Ariyama
Takanori Isaka
Application Number:
JP2017062083A
Publication Date:
July 21, 2021
Filing Date:
March 28, 2017
Export Citation:
Assignee:
Taisei Corporation
International Classes:
B28B7/10; E04C3/34; E04C5/08; E04G15/06; E04G17/02
Domestic Patent References:
| JP7088832A | ||||
| JP7040327A | ||||
| JP5042924B2 |
Foreign References:
| WO1998051882A1 |
Other References:
宍倉大樹,建材試験情報,2013年,Vol.49(6),pp.6-11,https://www.jtccm.or.jp/Portals/0/books_pdf/2013/Vol49,No6,2013.pdf
Attorney, Agent or Firm:
Yasuyuki Yamada
Zentaro Hasebe
Nakamura Norihiro
Zentaro Hasebe
Nakamura Norihiro