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: 156 978 933 patent documents

This week's update (05/07/2024 12:00 CET):

169 914 new documents added

2 331 667 documents amended

GPI key values

Run regular monitoring (e.g. monthly or quarterly) of technical areas or companies

Use built-in charts to visualise technical trends and patenting activity of companies

Choose the data you want to see and download to focus on what you are interested in

Run data quality assessments to measure the risk of incomplete search results

EP 0199017 A2 19861029 - Tension levelling strip material.

Title (en)

Tension levelling strip material.

Title (de)

Ausgleich der Spannung bei Bandmaterial.

Title (fr)

Egalisation de tension dans les feuillards métalliques.

Publication

EP 0199017 A2 19861029 (EN)

Application

EP 86102412 A 19860225

Priority

GB 8506119 A 19850308

Abstract (en)

A tension leveller for strip material in which co-operating rolls (3a, 3b) on either side of the strip are parallel faced over a major part of their length and tapered at one end, the tapers lying at opposite ends to one another and the rolls being movable along their axes whereby the mutually parallel faces presented to the strip extend over a width variable in dependence on said movement.

IPC 1-7

B21D 1/05

IPC 8 full level

B21D 1/05 (2006.01)

CPC (source: EP)

B21D 1/05 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR IT LI LU NL SE

DOCDB simple family (publication)

GB 2171943 A 19860910; GB 8605464 D0 19860409; EP 0199017 A2 19861029; EP 0199017 A3 19870408; GB 8506119 D0 19850411; JP S61206522 A 19860912

DOCDB simple family (application)

GB 8605464 A 19860305; EP 86102412 A 19860225; GB 8506119 A 19850308; JP 4876686 A 19860307