Invention Grant
- Patent Title: Aerodynamically stable roof system and ballast blocks
- Patent Title (中): 空气动力学稳定的屋顶系统和镇流器块
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Application No.: US491949Application Date: 1997-07-14
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Publication No.: US5887397APublication Date: 1999-03-30
- Inventor: John Repasky
- Applicant: John Repasky
- Assignee: Repasky; John
- Current Assignee: Repasky; John
- Main IPC: E04D11/00
- IPC: E04D11/00 ; E04D13/04 ; E04B5/00 ; E04B7/00 ; E04C1/39 ; E04D3/24
Abstract:
A protected-membrane roof paving system (10) and blocks (12) for use therein. Rectangular ballast blocks (12) are laid in rows. The blocks (12) have channels providing for drainage and equalization of air pressure above and below the blocks (12) under adverse wind conditions.
Information query
