BE538178A - - Google Patents
Info
- Publication number
- BE538178A BE538178A BE538178DA BE538178A BE 538178 A BE538178 A BE 538178A BE 538178D A BE538178D A BE 538178DA BE 538178 A BE538178 A BE 538178A
- Authority
- BE
- Belgium
- Prior art keywords
- diameter
- inflatable
- inflatable element
- plastic material
- annular
- Prior art date
Links
- 239000004033 plastic Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
- B28B21/18—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements
- B28B21/20—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements using inflatable cores, e.g. having a frame inside the inflatable part of the core
-
- 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
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/70—Methods or machines specially adapted for the production of tubular articles by building-up from preformed elements
- B28B21/74—Producing pipe bends, sockets, sleeves; Moulds therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT815372X | 1955-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE538178A true BE538178A (enrdf_load_html_response) | 1955-05-31 |
Family
ID=11317241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE538178D BE538178A (enrdf_load_html_response) | 1955-04-13 | 1955-05-14 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE538178A (enrdf_load_html_response) |
| GB (1) | GB815372A (enrdf_load_html_response) |
-
1955
- 1955-05-14 BE BE538178D patent/BE538178A/fr unknown
- 1955-11-16 GB GB32764/55A patent/GB815372A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB815372A (en) | 1959-06-24 |
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