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EP 0233312 B1 19900718 - DRAIN MATERIAL HOLDING APPARATUS FOR BOARD DRAIN PROCESS

Title (en)

DRAIN MATERIAL HOLDING APPARATUS FOR BOARD DRAIN PROCESS

Publication

EP 0233312 B1 19900718 (EN)

Application

EP 86111910 A 19860828

Priority

JP 2139186 U 19860217

Abstract (en)

[origin: EP0233312A2] Disclosed is a drain material holding apparatus for use to carry out a board drain method, in which a pushing rod is inserted into a hollow mandrel provided with an openable/closable cover attached on its lower end so that a drain material can be grasped between the openable/closable cover and an end surface of the pushing rod when the openable/closable cover is rotated in the direction to close a drain material insertion through hole formed in the mandrel.

IPC 1-7

E02D 3/10

IPC 8 full level

E02D 3/10 (2006.01)

CPC (source: EP)

E02D 3/103 (2013.01)

Designated contracting state (EPC)

FR NL SE

DOCDB simple family (publication)

EP 0233312 A2 19870826; EP 0233312 A3 19871007; EP 0233312 B1 19900718; JP H0621946 Y2 19940608; JP S62133728 U 19870822

DOCDB simple family (application)

EP 86111910 A 19860828; JP 2139186 U 19860217