Title:
WATERTIGHT HOUSING OF AN APPARATUS
Document Type and Number:
WIPO Patent Application WO2002036315
Kind Code:
A3
Abstract:
The invention relates to a waterproof housing (1) of an apparatus, for example an electrically rechargeable shaving device, which housing (1) is provided with at least one opening (3a,3b) in a wall (1a), which opening is sealed off by means of a foil (4) permitting the equalization of a pressure difference between the inside of the housing and the outer atmosphere. In order to provide means for the equalization of a pressure difference suitable for all kinds of apparatuses, which means are not susceptible of contamination and at the same time are capable of equalizing pressure differences, the foil (4) is elastically deformable and provided with at least one incision (8,9) of which the cutting edges can yield owing to a pressure difference across said foil.
Inventors:
VAN DER MEER MATTHEUS J
Application Number:
PCT/EP2001/012353
Publication Date:
September 26, 2002
Filing Date:
October 10, 2001
Export Citation:
Assignee:
KONINKL PHILIPS ELECTRONICS NV (NL)
International Classes:
A46B15/00; A61C17/22; B26B19/38; H01M50/342; (IPC1-7): B26B19/38; A46B15/00
Domestic Patent References:
| WO1996008048A1 | 1996-03-14 |
Foreign References:
| FR2551172A1 | 1985-03-01 | |||
| EP0262070A1 | 1988-03-30 | |||
| GB2253512A | 1992-09-09 |
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