EP 0326797 B1 19920325 - DEVICE FOR PROTECTING THE CENTRAL ROOT SECTION OF A TREE
Title (en)
DEVICE FOR PROTECTING THE CENTRAL ROOT SECTION OF A TREE
Publication
Application
Priority
DE 8801344 U 19880204
Abstract (en)
[origin: EP0326797A1] The device comprises a formed body made of concrete which surrounds the root section, is provided with perforations and has an upper cover with an opening for the passage of the tree trunk. The device is characterised in that the formed body has a trapezoidal longitudinal section having oblique side walls (1) which form a relatively large opening at the bottom and in that, including reinforcement and upper cover (2), is made in one casting, the diameter of the opening (3) in the upper cover (2) being changeable by means of a plurality of semicircular disc rings (4) which fit one inside the other. <IMAGE>
IPC 1-7
IPC 8 full level
A01G 13/00 (2006.01); E01C 9/00 (2006.01)
CPC (source: EP)
E01C 9/005 (2013.01)
Designated contracting state (EPC)
CH DE FR LI
DOCDB simple family (publication)
DE 8801344 U1 19880317; DE 58900999 D1 19920430; EP 0326797 A1 19890809; EP 0326797 B1 19920325
DOCDB simple family (application)
DE 8801344 U 19880204; DE 58900999 T 19890104; EP 89100072 A 19890104