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 moulding

Info

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Withdrawn
Application number
FR7412972A
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knapsack AG
Original Assignee
Knapsack AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Knapsack AG filed Critical Knapsack AG
Publication of FR2225257A1 publication Critical patent/FR2225257A1/fr
Withdrawn legal-status Critical Current

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)
FR7412972A 1973-04-12 1974-04-12 Plaster casting using ultrasonic vibrations - with accelerated setting which is uniform throughout the moulding Withdrawn FR2225257A1 (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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