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WO1996036961A3 - Selected ceramic mouldings and process for selecting faultless ceramic mouldings - Google Patents

Selected ceramic mouldings and process for selecting faultless ceramic mouldings Download PDF

Info

Publication number
WO1996036961A3
WO1996036961A3 PCT/EP1996/001900 EP9601900W WO9636961A3 WO 1996036961 A3 WO1996036961 A3 WO 1996036961A3 EP 9601900 W EP9601900 W EP 9601900W WO 9636961 A3 WO9636961 A3 WO 9636961A3
Authority
WO
WIPO (PCT)
Prior art keywords
ceramic mouldings
faultless
selecting
mouldings
ceramic
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.)
Ceased
Application number
PCT/EP1996/001900
Other languages
German (de)
French (fr)
Other versions
WO1996036961A2 (en
Inventor
Hans-Andreas Lindner
Juergen Hennicke
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of WO1996036961A2 publication Critical patent/WO1996036961A2/en
Publication of WO1996036961A3 publication Critical patent/WO1996036961A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063—Control arrangements
    • B28B17/0081—Process control
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/04—Sound-producing devices
    • G10K15/06—Sound-producing devices using electric discharge

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The description relates to a process and device for producing focussed underwater shock waves by multiple simultaneous underwater spark discharge and focussing by means of confocal ellipsoids, in which a maximum pressure the GPa range is attained in the commun focus, and its use as a proof test for ceramic mouldings. The ceramic mouldings subjects to the proof test are initially faultless.
PCT/EP1996/001900 1995-05-19 1996-05-07 Selected ceramic mouldings and process for selecting faultless ceramic mouldings Ceased WO1996036961A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19518408.4 1995-05-19
DE1995118408 DE19518408C2 (en) 1995-05-19 1995-05-19 Selected ceramic molded parts and process for the selection of faultless ceramic molded parts

Publications (2)

Publication Number Publication Date
WO1996036961A2 WO1996036961A2 (en) 1996-11-21
WO1996036961A3 true WO1996036961A3 (en) 1996-12-27

Family

ID=7762347

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/001900 Ceased WO1996036961A2 (en) 1995-05-19 1996-05-07 Selected ceramic mouldings and process for selecting faultless ceramic mouldings

Country Status (2)

Country Link
DE (1) DE19518408C2 (en)
WO (1) WO1996036961A2 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096738A (en) * 1976-03-25 1978-06-27 Bayer Aktiengesellschaft Method for testing filled glass containers
DE2718847A1 (en) * 1977-04-28 1978-11-02 Eberhard Prof Dr Rer Haeusler RF radiation gall stone breaking appts. - employs annular reflector with elliptical beams overlapping at axis of rotation
US4421200A (en) * 1981-12-16 1983-12-20 Ferralli Michael W Elliptically shaped transducer enclosure
EP0150843A2 (en) * 1984-02-02 1985-08-07 COMPAGNIE GENERALE D'ELECTRICITE Société anonyme dite: Apparatus using focalized acoustic waves for studying the structure of an object
EP0238772A1 (en) * 1985-09-09 1987-09-30 Moshe Ein-Gal Apparatus for the disintegration of body calculi
US4734894A (en) * 1984-10-23 1988-03-29 Consiglio Nazionale Delle Ricerche Electroacoustic pulse source for high resolution seismic prospectings

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE375492C (en) * 1923-05-14 Siemens Schuckertwerke G M B H Device on pendulum hammers for strength testing
DE2348063A1 (en) * 1973-09-25 1975-04-03 Eberhard Prof Dr Haeusler Press. wave pulse generator(s) - for shattering brittle inclusions in biological tissues, has wire-explosion generator(s)
DE2610061A1 (en) * 1976-03-11 1977-09-22 Johann Prof Dr I Kleinwaechter Exploding wire shock wave focussing mirror - is used with circular wire loop and consists of torus with elliptical reflecting surface
DE3328068A1 (en) * 1983-08-03 1985-02-21 Siemens AG, 1000 Berlin und 8000 München DEVICE FOR CONTACTLESS CRUSHING OF CONCRETE
DE3524943A1 (en) * 1984-04-12 1987-01-15 Heye Hermann Fa Device for testing glass containers
DE3527898C1 (en) * 1985-08-03 1987-03-12 Dornier System Gmbh Device for extracting minerals from the surrounding material
DE3634046A1 (en) * 1986-10-06 1988-04-14 Siemens Ag DEVICE FOR CRUSHING CONCRETE

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096738A (en) * 1976-03-25 1978-06-27 Bayer Aktiengesellschaft Method for testing filled glass containers
DE2718847A1 (en) * 1977-04-28 1978-11-02 Eberhard Prof Dr Rer Haeusler RF radiation gall stone breaking appts. - employs annular reflector with elliptical beams overlapping at axis of rotation
US4421200A (en) * 1981-12-16 1983-12-20 Ferralli Michael W Elliptically shaped transducer enclosure
EP0150843A2 (en) * 1984-02-02 1985-08-07 COMPAGNIE GENERALE D'ELECTRICITE Société anonyme dite: Apparatus using focalized acoustic waves for studying the structure of an object
US4734894A (en) * 1984-10-23 1988-03-29 Consiglio Nazionale Delle Ricerche Electroacoustic pulse source for high resolution seismic prospectings
EP0238772A1 (en) * 1985-09-09 1987-09-30 Moshe Ein-Gal Apparatus for the disintegration of body calculi

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MULLER M: "DIE FOKUSSIERUNG VON WASSERSTOSSWELLEN ZUR LITHOTRIPSIE DURCH VERSCHIEDENE ELLIPSOIDREFLEKTOREN", BIOMEDIZINISCHE TECHNIK, vol. 34, no. 4, April 1989 (1989-04-01), pages 62 - 72, XP000008231 *

Also Published As

Publication number Publication date
DE19518408A1 (en) 1996-11-21
WO1996036961A2 (en) 1996-11-21
DE19518408C2 (en) 1998-07-02

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