FR502608A - Improvements to chimneys to prevent backdrafts - Google Patents
Improvements to chimneys to prevent backdraftsInfo
- Publication number
- FR502608A FR502608A FR502608A FR502608DA FR502608A FR 502608 A FR502608 A FR 502608A FR 502608 A FR502608 A FR 502608A FR 502608D A FR502608D A FR 502608DA FR 502608 A FR502608 A FR 502608A
- Authority
- FR
- France
- Prior art keywords
- backdrafts
- chimneys
- prevent
- prevent backdrafts
- 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
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
- E04F17/023—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof made of masonry, concrete or other stone-like material; Insulating measures and joints therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR502608T | 1919-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR502608A true FR502608A (en) | 1920-05-21 |
Family
ID=8906482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR502608A Expired FR502608A (en) | 1919-08-13 | 1919-08-13 | Improvements to chimneys to prevent backdrafts |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR502608A (en) |
-
1919
- 1919-08-13 FR FR502608A patent/FR502608A/en not_active Expired
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