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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0138032 A3 19861203 - TUBE MILL

Title (en)

TUBE MILL

Publication

EP 0138032 A3 19861203 (DE)

Application

EP 84110582 A 19840905

Priority

DE 3337877 A 19831018

Abstract (en)

[origin: US4664322A] The invention relates to a tube mill in which the cylinder of the drying chamber and the transition wall which it supports are divided centrally or a number of times in the axial direction so that this cylinder and the transition wall can be replaced without the grinding elements having to be removed from the grinding chamber.

IPC 1-7

B02C 17/06

IPC 8 full level

B02C 17/06 (2006.01)

CPC (source: EP US)

B02C 17/06 (2013.01 - EP US)

Citation (search report)

[A] DE 2216232 A1 19721019
[A] FR 2332060 A1 19770617 - SMIDTH & CO AS F L [DK]
[A] US 3235188 A 19660215 - BRADLEY RALPH R
[A] DE 2301624 A1 19730719 - DOMINION ENG WORKS LTD

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0138032 A2 19850424; EP 0138032 A3 19861203; EP 0138032 B1 19880302; DE 3337877 A1 19850425; DE 3469494 D1 19880407; US 4664322 A 19870512

DOCDB simple family (application)

EP 84110582 A 19840905; DE 3337877 A 19831018; DE 3469494 T 19840905; US 65308584 A 19840921