FR2225257A1 - Plaster casting using ultrasonic vibrations - with accelerated setting which is uniform throughout the moulding - Google Patents
Plaster casting using ultrasonic vibrations - with accelerated setting which is uniform throughout the mouldingInfo
- Publication number
- FR2225257A1 FR2225257A1 FR7412972A FR7412972A FR2225257A1 FR 2225257 A1 FR2225257 A1 FR 2225257A1 FR 7412972 A FR7412972 A FR 7412972A FR 7412972 A FR7412972 A FR 7412972A FR 2225257 A1 FR2225257 A1 FR 2225257A1
- Authority
- FR
- France
- Prior art keywords
- moulding
- ultrasonic vibrations
- uniform throughout
- plaster casting
- accelerated setting
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0003—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability making use of electric or wave energy or particle radiation
- C04B40/0021—Sonic or ultrasonic waves, e.g. to initiate sonochemical reactions
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Producing Shaped Articles From Materials (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732318439 DE2318439A1 (de) | 1973-04-12 | 1973-04-12 | Verfahren und anlage zur herstellung von gipsformkoerpern |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2225257A1 true FR2225257A1 (en) | 1974-11-08 |
Family
ID=5877845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7412972A Withdrawn FR2225257A1 (en) | 1973-04-12 | 1974-04-12 | Plaster casting using ultrasonic vibrations - with accelerated setting which is uniform throughout the moulding |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE813412A (de) |
DE (1) | DE2318439A1 (de) |
FR (1) | FR2225257A1 (de) |
NL (1) | NL7404703A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2431400A (en) * | 2005-10-19 | 2007-04-25 | Bpb Plc | Method for accelerating the setting reaction of a calcium sulphate hemihydrate and water slurry |
CN112028503A (zh) * | 2020-09-08 | 2020-12-04 | 武汉理工大学 | 一种利用超声波快速激发矿粉潜在活性的方法 |
-
1973
- 1973-04-12 DE DE19732318439 patent/DE2318439A1/de active Pending
-
1974
- 1974-04-05 NL NL7404703A patent/NL7404703A/xx unknown
- 1974-04-08 BE BE142936A patent/BE813412A/xx unknown
- 1974-04-12 FR FR7412972A patent/FR2225257A1/fr not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2431400A (en) * | 2005-10-19 | 2007-04-25 | Bpb Plc | Method for accelerating the setting reaction of a calcium sulphate hemihydrate and water slurry |
CN112028503A (zh) * | 2020-09-08 | 2020-12-04 | 武汉理工大学 | 一种利用超声波快速激发矿粉潜在活性的方法 |
Also Published As
Publication number | Publication date |
---|---|
BE813412A (fr) | 1974-07-31 |
NL7404703A (de) | 1974-10-15 |
DE2318439A1 (de) | 1974-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |