Global Patent Index - EP 3225359 A1

EP 3225359 A1 2017-10-04 - METHOD FOR PREPARING SHOT FLOWING PIPE OF COMPOSITE SHOT BLASTING MACHINE

Title (en)

METHOD FOR PREPARING SHOT FLOWING PIPE OF COMPOSITE SHOT BLASTING MACHINE

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES STRAHLSTRÖMUNGSROHRS EINER KOMPOSITKUGELSTRAHLMASCHINE

Title (fr)

PROCÉDÉ DE PRÉPARATION DE TUBE D'ÉCOULEMENT DE GRENAILLE POUR UNE MACHINE DE GRENAILLAGE COMPOSITE

Publication

EP 3225359 A1 (EN)

Application

EP 15909578 A

Priority

  • CN 201510876689 A
  • CN 2015096787 W

Abstract (en)

The present invention relates to the technical field of a spout of a SBM, in particular to the preparation method of a composite spout of a SBM. Raw materials comprise according to a mass ratio: - 80-85 parts of silicon nitride powder - 5-10 parts of boron nitride nanotube powder - 4-6 parts of aluminum oxide powder - 3-5 parts of yttrium oxide powder The method for preparing the spout of the SBM by the materials comprises of the following steps: - raw material preparation - raw material mixing - slurry preparation - grouting molding - drying demoulding vacuum sintering - composite casting. The materials according to the present invention have excellent mechanical and tribology performance, the resultingspoutof the SMBis: - extremely hard - extremely durable - extremely wear resistant The production method of the spout for the SBM has the advantages of: - simple manufacturing process - convenient equipment requirements - short production time - is in line with current production company operations

IPC 8 full level (invention and additional information)

B24C 5/00 (2006.01)

CPC (invention and additional information)

C22C 29/16 (2013.01); B22C 9/02 (2013.01); B22D 19/0072 (2013.01); B22D 19/06 (2013.01); C22C 1/1036 (2013.01); C23C 6/00 (2013.01); B24C 5/04 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

EPO simple patent family

EP 3225359 A1 20171004; EP 3225359 A4 20180404; CN 105538167 A 20160504; CN 105538167 B 20170926; WO 2017092064 A1 20170608

INPADOC legal status


2018-07-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C22C 29/16 20060101ALI20180606BHEP

2018-07-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: B24C 5/04 20060101ALN20180606BHEP

2018-07-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: B22C 9/02 20060101AFI20180606BHEP

2018-07-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C23C 6/00 20060101ALI20180606BHEP

2018-07-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: B22D 19/06 20060101ALI20180606BHEP

2018-07-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C22C 1/10 20060101ALI20180606BHEP

2018-07-11 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: B22D 19/00 20060101ALI20180606BHEP

2018-04-04 [A4] DESPATCH OF SUPPLEMENTARY SEARCH REPORT

- Effective date: 20180301

2018-04-04 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C04B 41/51 20060101ALI20180223BHEP

2018-04-04 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: B22D 19/00 20060101ALI20180223BHEP

2018-04-04 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C22C 29/16 20060101ALI20180223BHEP

2018-04-04 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: B22C 9/02 20060101ALI20180223BHEP

2018-04-04 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: B24C 5/00 20060101AFI20180223BHEP

2018-04-04 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: B24C 5/06 20060101ALN20180223BHEP

2018-04-04 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C22C 1/10 20060101ALI20180223BHEP

2018-04-04 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C23C 6/00 20060101ALI20180223BHEP

2018-04-04 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: B22D 19/06 20060101ALI20180223BHEP

2017-10-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20170626

2017-10-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

2017-10-04 [AV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT IN:

- Countries: MA MD

2017-10-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: BA ME