Global Patent Index - EP 0935117 A3

EP 0935117 A3 2000-08-16 - Method for force fitting a tubular liner in the outer tubular case of a gun barrel

Title (en)

Method for force fitting a tubular liner in the outer tubular case of a gun barrel

Title (de)

Verfahren zur Herstellung einer kraftschlüssigen Verbindung eines Futterrohres mit dem Mantelrohr einer Rohrwaffe

Title (fr)

Méthode pour le montage à force d'une chemise tubulaire dans une enveloppe tubulaire d'un tube de canon

Publication

EP 0935117 A3 (DE)

Application

EP 98124171 A

Priority

DE 19804651 A

Abstract (en)

[origin: EP0935117A2] An improved method for re-sleeving firearms, especially tank gun barrels, has the sleeve cooled to less than minus 50 degrees C and aligned inside a heated muzzle. After alignment the center section of the muzzle is cooled, followed by the outer ends to shrink the muzzle onto the sleeve. The whole process is performed vertically and with the sleeve cooled by dry ice. Prior to insertion into the muzzle the outside of the sleeve is held inside a thermal cladding to prevent condensation.

IPC 1-7 (main, further and additional classification)

F41A 21/02; F41A 21/04

IPC 8 full level (invention and additional information)

F41A 21/04 (2006.01)

CPC (invention and additional information)

F41A 21/04 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0935117 A2 19990811; EP 0935117 A3 20000816; EP 0935117 B1 20040225; DE 19804651 A1 19990812; US 6158158 A 20001212

INPADOC legal status


2009-08-31 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2005-02-16 [26N] NO OPPOSITION FILED

- Effective date: 20041126

2004-10-15 [ET] FR: TRANSLATION FILED

2004-04-01 [REF] CORRESPONDS TO:

- Document: DE 59810842 P 20040401

2004-03-17 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20040225

2004-02-27 [REG CH EP] ENTRY IN THE NATIONAL PHASE

2004-02-27 [REG CH NV] NEW AGENT

- Representative's name: E. BLUM & CO. PATENTANWAELTE

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2000-08-16 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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2000-08-16 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7F 41A 21/02 A, 7F 41A 21/04 B

1999-08-11 [AK] DESIGNATED CONTRACTING STATES:

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