FR2862551B1 - Procede de fabrication de spheres creuses, spheres creuses ainsi obtenues, et dispositif d'absorption des sons les utilisant - Google Patents

Procede de fabrication de spheres creuses, spheres creuses ainsi obtenues, et dispositif d'absorption des sons les utilisant

Info

Publication number
FR2862551B1
FR2862551B1 FR0313684A FR0313684A FR2862551B1 FR 2862551 B1 FR2862551 B1 FR 2862551B1 FR 0313684 A FR0313684 A FR 0313684A FR 0313684 A FR0313684 A FR 0313684A FR 2862551 B1 FR2862551 B1 FR 2862551B1
Authority
FR
France
Prior art keywords
hollow spheres
sounds
same
absorption device
manufacturing
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 - Fee Related
Application number
FR0313684A
Other languages
English (en)
Other versions
FR2862551A1 (fr
Inventor
Osmin Delverdier
Philippe Vie
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.)
Ateca
Original Assignee
Ateca
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 Ateca filed Critical Ateca
Priority to FR0313684A priority Critical patent/FR2862551B1/fr
Priority to US10/994,190 priority patent/US20050120826A1/en
Publication of FR2862551A1 publication Critical patent/FR2862551A1/fr
Application granted granted Critical
Publication of FR2862551B1 publication Critical patent/FR2862551B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5663—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching by perforating the foam, e.g. to open the cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR0313684A 2003-11-21 2003-11-21 Procede de fabrication de spheres creuses, spheres creuses ainsi obtenues, et dispositif d'absorption des sons les utilisant Expired - Fee Related FR2862551B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0313684A FR2862551B1 (fr) 2003-11-21 2003-11-21 Procede de fabrication de spheres creuses, spheres creuses ainsi obtenues, et dispositif d'absorption des sons les utilisant
US10/994,190 US20050120826A1 (en) 2003-11-21 2004-11-19 Method of fabricating hollow spheres, hollow spheres obtained thereby, and a sound absorber device making use thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0313684A FR2862551B1 (fr) 2003-11-21 2003-11-21 Procede de fabrication de spheres creuses, spheres creuses ainsi obtenues, et dispositif d'absorption des sons les utilisant

Publications (2)

Publication Number Publication Date
FR2862551A1 FR2862551A1 (fr) 2005-05-27
FR2862551B1 true FR2862551B1 (fr) 2006-04-14

Family

ID=34531189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0313684A Expired - Fee Related FR2862551B1 (fr) 2003-11-21 2003-11-21 Procede de fabrication de spheres creuses, spheres creuses ainsi obtenues, et dispositif d'absorption des sons les utilisant

Country Status (2)

Country Link
US (1) US20050120826A1 (fr)
FR (1) FR2862551B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101863672B (zh) * 2010-06-01 2012-11-07 江苏晶邦新型材料有限公司 一种矾土基刚玉空心球的制备方法
DE102013017756B3 (de) * 2013-10-28 2015-03-05 Cvt Industriebedarf Gmbh Schwingungsdämpfer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585373B1 (fr) * 1985-07-25 1990-05-04 Univ Toulouse Procede de fabrication de corps creux, fermes et continus, corps creux obtenus et installation de mise en oeuvre dans le cas de billes creuses
US5777947A (en) * 1995-03-27 1998-07-07 Georgia Tech Research Corporation Apparatuses and methods for sound absorption using hollow beads loosely contained in an enclosure
FR2775216B1 (fr) * 1998-02-26 2000-07-13 Snecma Panneau insonorisant et procede de realisation

Also Published As

Publication number Publication date
FR2862551A1 (fr) 2005-05-27
US20050120826A1 (en) 2005-06-09

Similar Documents

Publication Publication Date Title
IT1316448B1 (it) Dispositivo per l'assorbimento di vibrazioni, particolarmente percalzature od attrezzi sportivi.
ATE415966T1 (de) Substituierte 3-amino-thieno(2,3-b)pyridine-2- amide und herstellungsverfahren sowie deren verwendung
CY2200154T2 (el) Κινητες εργοστασιακες μοναδες και συστηματα, μεθοδοι για την παραγωγη αφαλατωμενου υδατος
CY2200155T2 (el) Κινητες εργοστασιακες μοναδες και συστηματα, μεθοδοι για την παραγωγη αφαλατωμενου υδατος
NO20040398L (no) Hydrofobe assosiative polymerer, blandinger med slike og anvendelse av slike.
FR2864706B1 (fr) Dispositif electrolumninescent organique et son procede de fabrication
FR2890848B1 (fr) Dispositif d'osteosynthese.
MA26301A1 (fr) Procede et dispositif pour la fabrication de poils
FR2867024B1 (fr) Membre de support et appareil d'evaporation l'utilisant
FR2843479B1 (fr) Procede de calibrage d'audio-intonation
FR2895701B1 (fr) Dispositif d'impression et procede d'impression utilisant celui-ci
FR2866154B1 (fr) Procede d'elaboration d'un dispositif electrochimique.
FR2822045B1 (fr) Dispositif de nettoyage multi-couches cellulaire et procede de fabrication
FR2862551B1 (fr) Procede de fabrication de spheres creuses, spheres creuses ainsi obtenues, et dispositif d'absorption des sons les utilisant
FR2860769B1 (fr) Dispositif de conditionnement et d'application.
DE60223091D1 (de) Zusammengesetztes absorbierendes produkt, sein herstellungsverfahren und die vorrichtung dafür
FR2849955B1 (fr) Dispositif de micro-fabrication et procede de micro-fabrication
FR2883711B1 (fr) Piece d'ornement et son procede de fabrication
FR2867411B1 (fr) Dispositif de desinfection d'elements en bois a structure tubulaire, et procede de desinfection associe
AU2003293354A8 (en) Substituted pyridines or pyrimidines, method for their production, agents containing said substances and the use thereof as pesticides
FI20030546A (fi) Puhdistuslaite, puhdistustyökalu ja puhdistuslaitteen käyttötapa
FR2888391B1 (fr) Bobine supraconductrice, procede de fabrication de celle-ci et dispositif de soudage
FR2831843B1 (fr) Procede et dispositif de dudgeonnage et piece ainsi dudgeonnee
FR2855198B1 (fr) Organe d'evacuation des eaux pluviales et son procede d'obtention
FR2894019B1 (fr) Dispositif de refrigeration et procede d'assemblage du dispositif

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14

PLFP Fee payment

Year of fee payment: 15

PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17

ST Notification of lapse

Effective date: 20210705