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Patent Searching and Data


Title:
CONCRETE FLOOR FINISHING MACHINE
Document Type and Number:
WIPO Patent Application WO/1986/007109
Kind Code:
A1
Abstract:
Floor finishing machine for smoothing a concrete floor surface while the placed concrete is in a semi-hardened state, and enables a floor finishing material to be laid directly on the smoothed concrete floor. The floor finishing machines used for this purpose include a floor finishing machine in which a finishing unit is turned around a shaft of a carriage having a pair of travelling portions. However, in such a floor finishing machine, the radius of gyration of the finishing unit is large, so that the floor finishing machine as a whole becomes large and heavy and the part of floor corner left unfinished becomes large. According to the present invention, finishing units are provided on a pair of travelling means so as to turn these finishing units around the relative travelling means. Thus, the radius of gyration of each finishing unit is reduced. In this concrete floor finishing machine, finishing units (28a), (28b) are arranged on the outer sides of a pair of left and right travelling means (4a), (4b) provided on a wheel unit (3). These finishing units (28a), (28b) consist of a plurality of trowels (26a), (26b), respectively, which are arranged radially around the travelling means (4a), (4b), respectively, these trowels being adapted to be turned around the travelling means (4a), (4b).

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Inventors:
KIKUCHI KIMIO (JP)
IMAI TAKAYOSHI (JP)
YAMADA SHIGERU (JP)
Application Number:
PCT/JP1986/000263
Publication Date:
December 04, 1986
Filing Date:
May 22, 1986
Export Citation:
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Assignee:
TAKENAKA KOMUTEN CO (JP)
SANWA KIZAI CO LTD (JP)
International Classes:
E04F21/24; E04G21/10; (IPC1-7): E04F21/24
Foreign References:
JPS50136229U1975-11-10
JP5236433Y
Other References:
See also references of EP 0223859A4
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