FR2451430B1 - METAL FRAME FOR CEILING DOOR OR ACCESS VENTILATION OR SIMILAR DUCT TRAP AND PROFILE FOR THEIR PRODUCTION - Google Patents
METAL FRAME FOR CEILING DOOR OR ACCESS VENTILATION OR SIMILAR DUCT TRAP AND PROFILE FOR THEIR PRODUCTIONInfo
- Publication number
- FR2451430B1 FR2451430B1 FR7906734A FR7906734A FR2451430B1 FR 2451430 B1 FR2451430 B1 FR 2451430B1 FR 7906734 A FR7906734 A FR 7906734A FR 7906734 A FR7906734 A FR 7906734A FR 2451430 B1 FR2451430 B1 FR 2451430B1
- Authority
- FR
- France
- Prior art keywords
- profile
- production
- metal frame
- ceiling door
- similar duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/01—Trap-doors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F19/00—Other details of constructional parts for finishing work on buildings
- E04F19/08—Built-in cupboards; Masks of niches; Covers of holes enabling access to installations
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Separating Particles In Gases By Inertia (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7906734A FR2451430B1 (en) | 1979-03-16 | 1979-03-16 | METAL FRAME FOR CEILING DOOR OR ACCESS VENTILATION OR SIMILAR DUCT TRAP AND PROFILE FOR THEIR PRODUCTION |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7906734A FR2451430B1 (en) | 1979-03-16 | 1979-03-16 | METAL FRAME FOR CEILING DOOR OR ACCESS VENTILATION OR SIMILAR DUCT TRAP AND PROFILE FOR THEIR PRODUCTION |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2451430A1 FR2451430A1 (en) | 1980-10-10 |
FR2451430B1 true FR2451430B1 (en) | 1986-03-28 |
Family
ID=9223207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7906734A Expired FR2451430B1 (en) | 1979-03-16 | 1979-03-16 | METAL FRAME FOR CEILING DOOR OR ACCESS VENTILATION OR SIMILAR DUCT TRAP AND PROFILE FOR THEIR PRODUCTION |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2451430B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2781514B1 (en) * | 1998-07-27 | 2000-10-13 | Saga Productions | IMPROVED TRAPPON AND METHOD FOR ACCESSING A FALSE CEILING |
GB2414263A (en) * | 2004-05-22 | 2005-11-23 | Tod Golding | Loft door system |
DE202010002007U1 (en) * | 2010-02-05 | 2010-04-22 | Richter-System Gmbh & Co. Kg | Lockable inspection opening for drywall construction |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1843264A (en) * | 1930-05-01 | 1932-02-02 | Lyon Metal Products Inc | Locker construction |
US3945168A (en) * | 1968-11-04 | 1976-03-23 | Hambro Structural Systems Limited | Reusable spanner bar |
AT347658B (en) * | 1974-07-03 | 1979-01-10 | Minka Treppen Ges M B H | LOCKING DEVICE FOR OPENINGS OF BUILDINGS, ESPEC. HATCH |
JPS5211623A (en) * | 1975-07-18 | 1977-01-28 | Hiromitsu Naka | Method of executing ceiling inspection port |
-
1979
- 1979-03-16 FR FR7906734A patent/FR2451430B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2451430A1 (en) | 1980-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |