B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
72/148
B28B 11/08 (2006.01) E04F 21/24 (2006.01)
Patent
CA 1281200
Abstract of the Disclosure A concrete floor finishing machine comprising a pair of propelling devices and finishing devices provided for the propelling devices, respectively. The finishing devices are driven to revolve round the respective propelling devices in opposite directions and in synchronism to smooth out concrete floors in half-set state, such that extreme ends of the respective finishing devices move on paths of revolution overlapping each other.
509891
Imai Takayoshi
Kikuchi Kimio
Yamada Shigeru
Kabushiki Kaisha Takenaka Komuten
Marks & Clerk
Sanwa Kizai Kabushiki Kaisha
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