Global Patent Index - EP 1013381 A2

EP 1013381 A2 2000-06-28 - Powder-actuated fastener driving tool

Title (en)

Powder-actuated fastener driving tool

Title (de)

Pulverkraftbetriebenes Setzgerät

Title (fr)

Outil de scellement actionné par poudre

Publication

EP 1013381 A2 (DE)

Application

EP 99811162 A

Priority

DE 19860194 A

Abstract (en)

The powder force operated hammer has a drive-piston (6) positioned in a hole (2) in a guide cylinder (1) and a support (3) joined to the guide cylinder. The end of the support opposite the hammering direction has a cartridge holder (10). The end of the support pointing in the hammering direction has a first active surface (4) from which protrudes a cylindrical protuberance (11) whose end side forms a second active surface (5). The drive piston has a thrust surface (13) cooperating with the first active surface. A cylindrical recess (12) holding the cylindrical protuberance extends from the thrust surface. The second and first active surfaces are connected by means of a connecting duct (14).

Abstract (de)

Das pulverkraftbetriebene Setzgerät weist einen Führungszylinder (1) mit einer Laufbohrung (2), einen in der Laufbohrung (2) versetzbar angeordneten Treibkolben (6) und einen mit dem Führungszylinder (1) verbundenen Träger (3) auf, der an einem entgegen der Setzrichtung weisenden Endbereich mit einer Kartuschenaufnahme (10) sowie an einem in Setzrichtung weisenden Endbereich mit einer ersten Wirkfläche (4) versehen ist, von der ein zylindrischer Vorsprung (11) abragt. Der Treibkolben (6) weist eine entgegen der Setzrichtung offen ausgebildete Vertiefung (12) auf, in die der Vorsprung (11) eindringen kann. Mittels eines Ringspaltes (14) zwischen der Vertiefung (12) und dem in diese ragenden Vorsprung (11) lässt sich der beim Zünden einer Kartusche entstehende Treibgasdruck nach dem Beaufschlagen der zweiten Wirkfläche (5) langsam auf die erste Wirkfläche (4) verteilen. <IMAGE>

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

B25C 1/14

IPC 8 full level (invention and additional information)

B25C 1/10 (2006.01); B25C 1/08 (2006.01); B25C 1/14 (2006.01)

CPC (invention and additional information)

B25C 1/14 (2013.01); B25C 1/082 (2013.01)

Designated contracting state (EPC)

DE FR GB IT SE

EPO simple patent family

EP 1013381 A2 20000628; EP 1013381 A3 20000726; EP 1013381 B1 20030924; AU 5950299 A 20000629; AU 756123 B2 20030102; CA 2292060 A1 20000624; CA 2292060 C 20060411; DE 19860194 A1 20000629; JP 2000210881 A 20000802; US 6289789 B1 20010918

INPADOC legal status


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