Sealing apparatus assembly for sealing a piezoactuator and...

Details Sealing apparatus assembly for sealing a piezoactuator and... Sealing apparatus assembly for sealing a piezoactuator and...

2007-03-06

2007-03-06

Hyeon, Hae Moon (Department: 2839)

Electrical connectors

Coupling part including flexing insulation

Sealing

C439S322000, C239S088000

Reexamination Certificate

active

11205869

ABSTRACT:
In a method and arrangement for sealing a piezoactuator having terminal pins (12) protruding from the piezoactuator and a top plate (14) surmounting the piezoactuator, the top plate is provided with openings (16) to enable the terminal pins (12) to pass through. In order to ensure a reliable seal even for comparatively thin top plates (14) in particular, the invention proposes placing a sealing-ring (28) made from an elastic sealant material on each of the terminal pin sections (30) protruding from the openings (16), so that the sealing ring fits tightly to a circumferential surface (32) of the terminal pin section (30), as well as to the top plate (14), forming a seal, and being pressure-injected into the top plate (14) by means of a plastic extrusion coating (arrows in FIG.1).

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