Global Patent Index - EP 1008191 A1

EP 1008191 A1 2000-06-14 - PRESTRESSED PIEZOELECTRIC ACTUATOR

Title (en)

PRESTRESSED PIEZOELECTRIC ACTUATOR

Title (de)

VORGESPANNTER PIEZOELEKTRISCHER AKTOR

Title (fr)

ACTIONNEUR PIEZOELECTRIQUE PRECONTRAINT

Publication

EP 1008191 A1 (DE)

Application

EP 98943711 A

Priority

  • DE 9802061 W
  • DE 19733858 A

Abstract (en)

[origin: WO9908330A1] The invention concerns a piezoelectric actuator inserted in an elastic socket and connected prestressed with two ends thereof by force closure and /or form closure, thereby resulting in an assembly wherein the piezoelectric actuator prestress force is permanently adjusted during manufacture.

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

H01L 41/053; H01L 41/083

IPC 8 full level (invention and additional information)

H01L 41/09 (2006.01); F16F 1/02 (2006.01); H01L 41/053 (2006.01); H01L 41/083 (2006.01); H01L 41/22 (2006.01)

CPC (invention and additional information)

F16F 1/028 (2013.01); H01L 41/0536 (2013.01); H01L 41/083 (2013.01); Y10T 29/42 (2013.01); Y10T 29/4987 (2013.01); Y10T 29/49872 (2013.01)

Citation (search report)

See references of WO 9908330A1

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

WO 9908330 A1 19990218; EP 1008191 A1 20000614; JP 2001512911 A 20010828; US 6681462 B1 20040127; US 6998761 B1 20060214

INPADOC legal status


2005-10-26 [18R] REFUSED

- Ref Legal Event Code: 18R

- Effective date: 20050606

2004-12-01 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20041015

2000-06-14 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000121

2000-06-14 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB IT