WO1997028940A1 - Method for the manufacture of concrete products - Google Patents
Method for the manufacture of concrete products Download PDFInfo
- Publication number
- WO1997028940A1 WO1997028940A1 PCT/FI1997/000069 FI9700069W WO9728940A1 WO 1997028940 A1 WO1997028940 A1 WO 1997028940A1 FI 9700069 W FI9700069 W FI 9700069W WO 9728940 A1 WO9728940 A1 WO 9728940A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mould
- concrete
- concrete product
- temperature
- moulds
- Prior art date
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
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
- B28B7/0017—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps for attaching mould walls on mould tables
-
- 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
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0035—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
-
- 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
- B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
- B28B7/42—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for heating or cooling, e.g. steam jackets, by means of treating agents acting directly on the moulding material
Definitions
- the material used in the casting mould is made from a thermally expanding material.
- the temperature of the mould is altered following the casting of the concrete such that the size of the mould changes as a result of the thermal expansion and the mould and/or the concrete product are moved in different directions to each other to remove the concrete product from the mould.
- the adjustment to the temperature of the mould after the casting of the concrete causes the thermally expanding material to react by either expanding or contracting to the extent that a small gap forms between the concrete and the mould. This makes it possible for the mould to be removed from around the concrete product as a whole by raising it immediately after the concrete has set sufficiently or the concrete product can be removed from the mould.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL97328090A PL328090A1 (en) | 1996-02-07 | 1997-02-06 | Method of manufacturing concrete products |
AU16045/97A AU1604597A (en) | 1996-02-07 | 1997-02-06 | Method for the manufacture of concrete products |
IL12559497A IL125594A (en) | 1996-02-07 | 1997-02-06 | Method for the manufacture of concrete products |
AT97902383T ATE225241T1 (en) | 1996-02-07 | 1997-02-06 | METHOD FOR PRODUCING CEMENT ITEMS |
EP97902383A EP0880432B1 (en) | 1996-02-07 | 1997-02-06 | Method for the manufacture of concrete products |
DE69716039T DE69716039D1 (en) | 1996-02-07 | 1997-02-06 | METHOD FOR PRODUCING CEMENT ITEMS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI960551 | 1996-02-07 | ||
FI960551A FI960551A0 (en) | 1996-02-07 | 1996-02-07 | Foerfarande Foer framstaellning av en betongprodukt |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997028940A1 true WO1997028940A1 (en) | 1997-08-14 |
Family
ID=8545327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI1997/000069 WO1997028940A1 (en) | 1996-02-07 | 1997-02-06 | Method for the manufacture of concrete products |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0880432B1 (en) |
AT (1) | ATE225241T1 (en) |
AU (1) | AU1604597A (en) |
DE (1) | DE69716039D1 (en) |
ES (1) | ES2184988T3 (en) |
FI (1) | FI960551A0 (en) |
IL (1) | IL125594A (en) |
PL (1) | PL328090A1 (en) |
WO (1) | WO1997028940A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI20125032L (en) | 2011-06-16 | 2012-12-17 | Eaglefinn Oy | Room element shape and procedure for its lifting |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE414361C (en) * | 1923-03-02 | 1925-05-28 | Arnold Jacobs | Process for casting moldings from magnesia cement |
DE474777C (en) * | 1925-10-06 | 1929-04-16 | Alphons Horten | Process and device for the production of concrete pipes with a smooth inner surface |
US3897928A (en) * | 1970-02-20 | 1975-08-05 | Paul Eisler | Mold having electrical heating film for treating cast material |
DE3142426A1 (en) * | 1981-10-26 | 1983-05-05 | M.Meisinger KG, 8890 Aichach | Process for manufacturing double-shell prefabricated concrete parts as prefabricated elements with window and door openings and form for carrying out this process |
-
1996
- 1996-02-07 FI FI960551A patent/FI960551A0/en unknown
-
1997
- 1997-02-06 ES ES97902383T patent/ES2184988T3/en not_active Expired - Lifetime
- 1997-02-06 EP EP97902383A patent/EP0880432B1/en not_active Expired - Lifetime
- 1997-02-06 IL IL12559497A patent/IL125594A/en not_active IP Right Cessation
- 1997-02-06 PL PL97328090A patent/PL328090A1/en unknown
- 1997-02-06 AT AT97902383T patent/ATE225241T1/en not_active IP Right Cessation
- 1997-02-06 AU AU16045/97A patent/AU1604597A/en not_active Abandoned
- 1997-02-06 WO PCT/FI1997/000069 patent/WO1997028940A1/en active IP Right Grant
- 1997-02-06 DE DE69716039T patent/DE69716039D1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE414361C (en) * | 1923-03-02 | 1925-05-28 | Arnold Jacobs | Process for casting moldings from magnesia cement |
DE474777C (en) * | 1925-10-06 | 1929-04-16 | Alphons Horten | Process and device for the production of concrete pipes with a smooth inner surface |
US3897928A (en) * | 1970-02-20 | 1975-08-05 | Paul Eisler | Mold having electrical heating film for treating cast material |
DE3142426A1 (en) * | 1981-10-26 | 1983-05-05 | M.Meisinger KG, 8890 Aichach | Process for manufacturing double-shell prefabricated concrete parts as prefabricated elements with window and door openings and form for carrying out this process |
Also Published As
Publication number | Publication date |
---|---|
PL328090A1 (en) | 1999-01-04 |
ATE225241T1 (en) | 2002-10-15 |
DE69716039D1 (en) | 2002-11-07 |
FI960551A0 (en) | 1996-02-07 |
IL125594A0 (en) | 1999-03-12 |
EP0880432B1 (en) | 2002-10-02 |
ES2184988T3 (en) | 2003-04-16 |
IL125594A (en) | 2001-03-19 |
EP0880432A1 (en) | 1998-12-02 |
AU1604597A (en) | 1997-08-28 |
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