Title:
CONCRETE PUMPS
Document Type and Number:
Japanese Patent JPS5252203
Kind Code:
A
Abstract:
1489540 Pipe joints J I CASE CO 10 Sept 1976 [15 Sept 1975] 37641/76 Addition to 1461529 Heading F2G [Also in Division F1] The concrete pump of the parent Specification (see Division F1) is modified by fixing the delivery conduit 660 to the hopper 16 by a bracket 662 and rotatably mounting the delivery end of the oscillating, tubular valve 130 in a bearing assembly 654 supported by the hopper. A sleeve 652 secured to valve 130 is supported by a plain bearing 688 and a thrust bearing 692, seals 684 and 676 being provided.
Inventors:
YUUJIN DEI TEIRAA
Application Number:
JP8444676A
Publication Date:
April 26, 1977
Filing Date:
July 15, 1976
Export Citation:
Assignee:
CASE CO J I
International Classes:
B28C7/16; F04B7/00; F04B15/02; F16K11/00; (IPC1-7): F04B15/02
Domestic Patent References:
| JP50049003B |