GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 159 823 134 patent documents

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143 307 new documents added

1 003 170 documents amended

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EP 0330730 A3 19910306 - COVER STRIP FOR SPACED JOINT

Title (en)

COVER STRIP FOR SPACED JOINT

Publication

EP 0330730 A3 19910306 (DE)

Application

EP 88115682 A 19880923

Priority

DE 3806509 A 19880301

Abstract (en)

[origin: EP0330730A2] According to the invention, in cover strips for spaced joints between two tunnel sections, support is provided for the external seal of the tunnel sections, in particular in the face of water pressure. <IMAGE>

IPC 1-7

E21D 11/38

IPC 8 full level

E21D 11/38 (2006.01)

CPC (source: EP)

E21D 11/385 (2013.01)

Citation (search report)

[A] US 4127350 A 19781128 - WEBER VICTOR
[A] EP 0194435 A2 19860917 - SCHLUETER WERNER
[A] US 4717162 A 19880105 - TRIESTE MARIO [US], et al

Designated contracting state (EPC)

AT CH DE FR GB LI

DOCDB simple family (publication)

EP 0330730 A2 19890906; EP 0330730 A3 19910306; DE 3806509 A1 19890914

DOCDB simple family (application)

EP 88115682 A 19880923; DE 3806509 A 19880301