EP0257318A3 - Device for accelerating ferromagnetic granular abrasives - Google Patents

Device for accelerating ferromagnetic granular abrasives Download PDF

Info

Publication number
EP0257318A3
EP0257318A3 EP87110804A EP87110804A EP0257318A3 EP 0257318 A3 EP0257318 A3 EP 0257318A3 EP 87110804 A EP87110804 A EP 87110804A EP 87110804 A EP87110804 A EP 87110804A EP 0257318 A3 EP0257318 A3 EP 0257318A3
Authority
EP
European Patent Office
Prior art keywords
accelerating
granular abrasives
ferromagnetic granular
ferromagnetic
abrasives
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.)
Granted
Application number
EP87110804A
Other languages
English (en)
Other versions
EP0257318A2 (de
EP0257318B1 (de
Inventor
Gerd Prof. Dr.-Ing. Stange
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.)
ALFRED GUTMANN GESELLSCHAFT FUER MASCHINENBAU MBH
Original Assignee
Alfred Gutmann Gesellschaft fur Maschinenbau & Co GmbH
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 Alfred Gutmann Gesellschaft fur Maschinenbau & Co GmbH filed Critical Alfred Gutmann Gesellschaft fur Maschinenbau & Co GmbH
Publication of EP0257318A2 publication Critical patent/EP0257318A2/de
Publication of EP0257318A3 publication Critical patent/EP0257318A3/de
Application granted granted Critical
Publication of EP0257318B1 publication Critical patent/EP0257318B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/08—Devices for generating abrasive blasts non-mechanically, e.g. of metallic abrasives by means of a magnetic field or by detonating cords

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
EP87110804A 1986-08-12 1987-07-25 Vorrichtung zur Beschleunigung von ferromagnetischem, körnigem Strahlmittel Expired - Lifetime EP0257318B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3627339A DE3627339C1 (de) 1986-08-12 1986-08-12 Vorrichtung zur Beschleunigung von ferromagnetischem,koernigem Strahlmittel
DE3627339 1986-08-12

Publications (3)

Publication Number Publication Date
EP0257318A2 EP0257318A2 (de) 1988-03-02
EP0257318A3 true EP0257318A3 (en) 1989-01-18
EP0257318B1 EP0257318B1 (de) 1992-09-23

Family

ID=6307228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87110804A Expired - Lifetime EP0257318B1 (de) 1986-08-12 1987-07-25 Vorrichtung zur Beschleunigung von ferromagnetischem, körnigem Strahlmittel

Country Status (2)

Country Link
EP (1) EP0257318B1 (de)
DE (2) DE3627339C1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016008970B4 (de) 2016-07-22 2018-09-20 Matthias Reuter Vorrichtung zur Beschleunigung von Stahlpartikeln
DE102018005780A1 (de) 2018-07-23 2020-01-23 Matthias Reuter Vorrichtung zur Beschleunigung von Stahlpartikeln
EP3837086B1 (de) * 2018-08-13 2024-09-25 3M Innovative Properties Company Strukturierter schleifartikel und verfahren zur verwendung davon

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1008322A (fr) * 1948-02-09 1952-05-16 Procédé et machine pour le décapage et le sablage des pièces de fonderie
DE2241506A1 (de) * 1972-08-23 1974-03-07 Schlick Kg Heinrich Verfahren und vorrichtung zum beschleunigen von ferromagnetischem koernigem material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1008322A (fr) * 1948-02-09 1952-05-16 Procédé et machine pour le décapage et le sablage des pièces de fonderie
DE2241506A1 (de) * 1972-08-23 1974-03-07 Schlick Kg Heinrich Verfahren und vorrichtung zum beschleunigen von ferromagnetischem koernigem material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SOVIET INVENTIONS ILLUSTRATED, Woche D22, 8. Juli 1981, Sektion " General/Mechanical", Nr. F0568D/22, Derwent Publications Ltd, London, GB; & SU-A-76 4953 (DON FERR METAL RES) 23-09-1980 *

Also Published As

Publication number Publication date
EP0257318A2 (de) 1988-03-02
DE3781850D1 (de) 1992-10-29
EP0257318B1 (de) 1992-09-23
DE3627339C1 (de) 1987-07-02

Similar Documents

Publication Publication Date Title
EP0278460A3 (en) Wafer flip apparatus
EP0297569A3 (en) Member for semiconductor apparatus
EP0297512A3 (en) Member for semiconductor apparatus
GB8407961D0 (en) Magnetic tensioning device
EP0363865A3 (en) Aerating device
GB8405449D0 (en) Carrier device
YU151483A (en) Device for tilting large objects
GB2226509B (en) Device for holding eudiometers
GB8313573D0 (en) Device for holding articles
GB2227372B (en) Magnetic device
BG45904A1 (en) Device for orientation
EP0257318A3 (en) Device for accelerating ferromagnetic granular abrasives
GB8723550D0 (en) Demagnetizing device
EP0261376A3 (en) Device for accelerating magnetic blasting materials
EP0244681A3 (en) Diagram disc transporting device
GB2130773B (en) Anti-theft device
GB8411236D0 (en) Device for holding rounded objects
HUT48545A (en) Device for moving objects
CS850188A1 (en) Device for large circles unfasting
GB8901694D0 (en) Fluidising device
GB8811366D0 (en) Apparatus for retaining strap
GB8902249D0 (en) Magnetic apparatus
BG45747A1 (en) Device for grinding
IE870588L (en) Sharpening device
CS6886A1 (en) Magnetization device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE CH DE ES FR GB IT LI NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE CH DE ES FR GB IT LI NL

17P Request for examination filed

Effective date: 19890707

17Q First examination report despatched

Effective date: 19901031

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ALFRED GUTMANN GESELLSCHAFT FUER MASCHINENBAU MBH

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE ES FR GB IT LI NL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19920923

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19920923

Ref country code: BE

Effective date: 19920923

REF Corresponds to:

Ref document number: 3781850

Country of ref document: DE

Date of ref document: 19921029

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19930103

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19960708

Year of fee payment: 10

Ref country code: GB

Payment date: 19960708

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19960716

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19960723

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970725

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970731

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970731

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19970725

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980401

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST