BR9508001A - Drilling tool with support surface for rounded inserts - Google Patents

Drilling tool with support surface for rounded inserts

Info

Publication number: BR9508001A
Authority: BR; Brazil
Prior art keywords: support surface; drilling tool; rounded; inserts; rounded inserts
Prior art date: 1994-06-13

Application number

BR9508001A

Other languages

Portuguese (pt)

Inventor

Torsten Blomberg

Lars Sandberg

Original Assignee

Sandvik Ab

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.)

1994-06-13

Filing date

1995-05-31

Publication date

1997-11-18

1995-05-31 Application filed by Sandvik Ab filed Critical Sandvik Ab

1995-05-31 Priority claimed from PCT/SE1995/000615 external-priority patent/WO1995034397A1/en

1997-11-18 Publication of BR9508001A publication Critical patent/BR9508001A/en

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Sealing Of Bearings (AREA)

BR9508001A 1994-06-13 1995-05-31 Drilling tool with support surface for rounded inserts BR9508001A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE9402035A SE9402035L (en)	1994-06-13	1994-06-13	Magnetic shaft seal
PCT/SE1995/000615 WO1995034397A1 (en)	1994-06-13	1995-05-31	Drilling tool with rounded insert support surfaces

Publications (1)

Publication Number	Publication Date
BR9508001A true BR9508001A (en)	1997-11-18

Family

ID=20394335

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9508001A BR9508001A (en)	1994-06-13	1995-05-31	Drilling tool with support surface for rounded inserts

Country Status (3)

Country	Link
BR (1)	BR9508001A (en)
SE (1)	SE9402035L (en)
WO (1)	WO1996002778A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN107542936B (en) *	2016-06-26	2024-02-09	哈尔滨盛迪电力设备有限公司	Magnetic suspension positioning double-airflow ring sealing device
CN106641273B (en) *	2017-02-24	2018-02-06	自贡兆强环保科技股份有限公司	A kind of chemical reactor magnetic fluid seal device and its control system
WO2020154912A1 (en) *	2019-01-29	2020-08-06	清华大学	Magnetic liquid rotating and sealing apparatus applicable to high rotational speed condition

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4995622A (en) *	1989-02-07	1991-02-26	Nippon Pillar Packing Co., Ltd.	Magnetic fluid seal device

1994
- 1994-06-13 SE SE9402035A patent/SE9402035L/en not_active Application Discontinuation
1995
- 1995-05-17 WO PCT/SE1995/000555 patent/WO1996002778A1/en not_active Ceased
- 1995-05-31 BR BR9508001A patent/BR9508001A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
SE9402035L (en)	1996-01-21
SE9402035D0 (en)	1994-06-13
WO1996002778A1 (en)	1996-02-01

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Legal Events

Date	Code	Title	Description
1999-09-28	FF	Decision: intention to grant
2000-04-18	FG9A	Patent or certificate of addition granted
2011-04-05	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 8A, 9A, 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADE(S).
2014-03-25	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-11-24	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2255 DE 25/03/2014 POR TER SIDO INDEVIDA.
2020-12-08	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 8A, 9A, 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADES.
2021-03-23	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2605 DE 08-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.