Invention Grant
- Patent Title: Ventilation grating for use in window frames together with sealed unit insulating glass
- Patent Title (中): 用于窗框的通风光栅以及密封单元中空玻璃
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Application No.: US554601Application Date: 1983-11-23
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Publication No.: US4512244APublication Date: 1985-04-23
- Inventor: Jan J. Knaap
- Applicant: Jan J. Knaap
- Applicant Address: NLX
- Assignee: Kateka B.V.
- Current Assignee: Kateka B.V.
- Current Assignee Address: NLX
- Main IPC: E06B7/02
- IPC: E06B7/02 ; F24F13/18
Abstract:
A closable ventilation grating of the type having two grids, one being slidable along the other, which is adapted for use with sealed unit insulating glass is disclosed. The grating comprises a lower, hollow member which has parallel pending flanges for mounting the grating on sealed unit insulating glass. The grating also comprises grids which are easily adaptable to a desired length as they are comprised of a number of similar, standardized sections and a standardized operating section where required.
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