Title:
コンクリート製品の成形方法および成形装置
Document Type and Number:
Japanese Patent JP4352259
Kind Code:
B2
Abstract:
A method and apparatus are disclosed for casting hollow-core concrete products, in which method concrete mix is fed into a mold of a delimited cross section traveling on a casting bed. According to the invention, the concrete mix is compacted with the help of vibratory shoes operating downstream of the concrete mix feed means, and the correct shape of the hollow-core cavities is maintained with the help of troweling mandrels.
More Like This:
Inventors:
Jarbinen, lassi
Sepanen, Aimo
Sepanen, Aimo
Application Number:
JP2004532203A
Publication Date:
October 28, 2009
Filing Date:
August 29, 2003
Export Citation:
Assignee:
ELECTRIC OY AB
International Classes:
B28B13/04; B28B21/52; B28B1/08; B28B21/16
Domestic Patent References:
| JP10202627A | ||||
| JP59212202A |
Foreign References:
| US4773838 | ||||
| EP0235114B1 | ||||
| US20020081344 | ||||
| US3401438 | ||||
| US5123831 |
Attorney, Agent or Firm:
Calyx
Miyazaki Yoshio
Kaoru Onozuka
Akio Tagami
High Masahiro
Toshio Nakamura
Miyazaki Yoshio
Kaoru Onozuka
Akio Tagami
High Masahiro
Toshio Nakamura