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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 0077268 B1 19840509 - HEAT EXCHANGER WITH HELICALLY COILED TUBES

Title (en)

HEAT EXCHANGER WITH HELICALLY COILED TUBES

Publication

EP 0077268 B1 19840509 (FR)

Application

EP 82401846 A 19821008

Priority

FR 8119063 A 19811009

Abstract (en)

[origin: EP0077268A1] 1. A heat exchanger comprising at least one bundle (1, 2) formed by at least on helical tube coil, characterised in that it comprises a plurality of wedges (4) each consisting of a stem (41) having two parallel bearing faces (411) separated by a thickness (e) corresponding to the spacing between two neighbouring whorls of the said bundle so as to be inserted between the said whorls, and of a flared head (42) forming a chock, the said head being welded to the said whorls.

IPC 1-7

F28F 9/00

IPC 8 full level

F28F 9/013 (2006.01)

CPC (source: EP)

F28F 9/013 (2013.01)

Designated contracting state (EPC)

BE DE NL

DOCDB simple family (publication)

EP 0077268 A1 19830420; EP 0077268 B1 19840509; DE 3260146 D1 19840614; FR 2514481 A1 19830415; FR 2514481 B1 19831202

DOCDB simple family (application)

EP 82401846 A 19821008; DE 3260146 T 19821008; FR 8119063 A 19811009