ES407731A1 - Aparato para uso en la fabricacion de productos de hormigonque tienen pasos a su traves. - Google Patents
Aparato para uso en la fabricacion de productos de hormigonque tienen pasos a su traves.Info
- Publication number
- ES407731A1 ES407731A1 ES407731A ES407731A ES407731A1 ES 407731 A1 ES407731 A1 ES 407731A1 ES 407731 A ES407731 A ES 407731A ES 407731 A ES407731 A ES 407731A ES 407731 A1 ES407731 A1 ES 407731A1
- Authority
- ES
- Spain
- Prior art keywords
- manufacture
- mold
- forming member
- passage forming
- drainage blocks
- 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
-
- 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
- B28B7/303—Cores; Mandrels adjustable, collapsible, or expanding specially for making undercut recesses or continuous cavities the inner section of which is superior to the section of either of the mouths
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4855671 | 1971-10-19 | ||
GB2581472A GB1403985A (en) | 1971-10-19 | 1972-06-02 | Apparatus for use in the manufacture of drainage blocks |
Publications (1)
Publication Number | Publication Date |
---|---|
ES407731A1 true ES407731A1 (es) | 1975-10-16 |
Family
ID=26257892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES407731A Expired ES407731A1 (es) | 1971-10-19 | 1972-10-18 | Aparato para uso en la fabricacion de productos de hormigonque tienen pasos a su traves. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS4849815A (es) |
AU (1) | AU475606B2 (es) |
CA (1) | CA978725A (es) |
DE (1) | DE2250641C3 (es) |
ES (1) | ES407731A1 (es) |
FR (1) | FR2157667A5 (es) |
GB (1) | GB1403985A (es) |
IE (1) | IE38294B1 (es) |
NL (1) | NL171240C (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4950434A (en) * | 1985-04-29 | 1990-08-21 | Permaban Southeast, Inc. | Arrangement for the production of longitudinal screed slabs consisting of concrete |
MY131435A (en) * | 1993-06-23 | 2007-08-30 | Khoo Tian | A set of parts for use in building, and a method of using same |
EP3988268A1 (de) * | 2020-10-23 | 2022-04-27 | Georg Weidner | Herstellungssystem für baustoff-bauteile mit hohlkammer |
-
1972
- 1972-06-02 GB GB2581472A patent/GB1403985A/en not_active Expired
- 1972-10-05 IE IE135272A patent/IE38294B1/xx unknown
- 1972-10-06 CA CA153,415A patent/CA978725A/en not_active Expired
- 1972-10-12 AU AU47705/72A patent/AU475606B2/en not_active Expired
- 1972-10-13 NL NL7213932A patent/NL171240C/xx not_active IP Right Cessation
- 1972-10-16 DE DE19722250641 patent/DE2250641C3/de not_active Expired
- 1972-10-17 JP JP10327172A patent/JPS4849815A/ja active Pending
- 1972-10-18 FR FR7237556A patent/FR2157667A5/fr not_active Expired
- 1972-10-18 ES ES407731A patent/ES407731A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4849815A (es) | 1973-07-13 |
DE2250641C3 (de) | 1979-10-18 |
AU4770572A (en) | 1974-04-26 |
FR2157667A5 (es) | 1973-06-01 |
NL171240C (nl) | 1983-03-01 |
DE2250641A1 (de) | 1973-04-26 |
CA978725A (en) | 1975-12-02 |
NL171240B (nl) | 1982-10-01 |
IE38294B1 (en) | 1978-02-15 |
GB1403985A (en) | 1975-08-28 |
AU475606B2 (en) | 1976-08-26 |
NL7213932A (es) | 1973-04-25 |
IE38294L (en) | 1973-04-19 |
DE2250641B2 (de) | 1979-03-01 |
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