FR491298A - Manufacturing process, in construction materials, of beams and molded slabs provided with longitudinal channels - Google Patents
Manufacturing process, in construction materials, of beams and molded slabs provided with longitudinal channelsInfo
- Publication number
- FR491298A FR491298A FR491298DA FR491298A FR 491298 A FR491298 A FR 491298A FR 491298D A FR491298D A FR 491298DA FR 491298 A FR491298 A FR 491298A
- Authority
- FR
- France
- Prior art keywords
- beams
- manufacturing process
- construction materials
- longitudinal channels
- molded slabs
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
- B28B7/32—Cores; Mandrels adjustable, collapsible, or expanding inflatable
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR491298T | 1918-08-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR491298A true FR491298A (en) | 1919-05-28 |
Family
ID=1527316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR491298D Expired FR491298A (en) | 1918-08-19 | 1918-08-19 | Manufacturing process, in construction materials, of beams and molded slabs provided with longitudinal channels |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR491298A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2612673A (en) * | 1949-03-09 | 1952-10-07 | Vacuum Concrete Inc | Expansible molding core |
EP0695611A3 (en) * | 1994-08-04 | 1997-11-19 | Marin Schnorr | Process and device for making profiled tubular pressed articles from a material in a plastic state such as clay or similar |
-
1918
- 1918-08-19 FR FR491298D patent/FR491298A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2612673A (en) * | 1949-03-09 | 1952-10-07 | Vacuum Concrete Inc | Expansible molding core |
EP0695611A3 (en) * | 1994-08-04 | 1997-11-19 | Marin Schnorr | Process and device for making profiled tubular pressed articles from a material in a plastic state such as clay or similar |
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