Title:
EARTH AND SAND PRESSURE CHARGING DEVICE OF EARTH AND SAND THROW-IN HOPPER
Document Type and Number:
Japanese Patent JPH07277528
Kind Code:
A
Abstract:
PURPOSE: To remove foreign substances by breaking simply earth mass remaining on a screen and a the same time remove simply foreign substances contained in earth and sand or the like by means of an earth and sand throw-in mechanism itself.
CONSTITUTION: This is the earth and sand pressure entry device of an earth and sand throw-in hopper 2 which is provided with a screen 3 at the entry upper portion of the earth and sand throw-in hopper 2; each lid member 1 with a vibrator 6 to be opened/closed by means of a motive power mechanism, on the upper surface side of the screen 3; and a number of projections 7 on the inner surface of each lid member 1.
Inventors:
KAWAI MAKOTO
OMURA MITSUMASA
NAGAKI KIMIJI
SUGIYAMA KOICHI
NAGASHIMA YOSUKE
NOUJIYOU TAKESHI
OMURA MITSUMASA
NAGAKI KIMIJI
SUGIYAMA KOICHI
NAGASHIMA YOSUKE
NOUJIYOU TAKESHI
Application Number:
JP7473394A
Publication Date:
October 24, 1995
Filing Date:
April 13, 1994
Export Citation:
Assignee:
TOA HARBOR WORKS CO LTD
International Classes:
B65B1/24; B65G65/32; B65G69/14; (IPC1-7): B65G69/14; B65G65/32
Attorney, Agent or Firm:
Shinichi Ogawa (2 outside)