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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: 157 117 910 patent documents

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139 301 new documents added

1 340 825 documents amended

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EP 0257425 A3 19880601 - CASTING

Title (en)

CASTING

Publication

EP 0257425 A3 19880601 (EN)

Application

EP 87111549 A 19870810

Priority

GB 8620153 A 19860819

Abstract (en)

[origin: EP0257425A2] In the diecasting of an aluminium alloy, there is used a core (14) of the same alloy. The core is formed by diecasting and is discarded after a single use.

IPC 1-7

B22D 17/24

IPC 8 full level

B22C 9/10 (2006.01); B22D 17/24 (2006.01)

CPC (source: EP)

B22C 9/10 (2013.01); B22C 9/103 (2013.01); B22D 17/24 (2013.01)

Citation (search report)

[A] DE 3135258 A1 19821021 - DAIMLER BENZ AG [DE]
[A] DE 3316951 A1 19831117 - TOKAI RIKA CO LTD [JP]

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0257425 A2 19880302; EP 0257425 A3 19880601; GB 2193914 A 19880224; GB 2193914 B 19900815; GB 8620153 D0 19861001

DOCDB simple family (application)

EP 87111549 A 19870810; GB 8620153 A 19860819