[12] Patent
[11] Patent No.:GC0009436  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2018                56/2018  
Number of the Decision to Grant the Patent:2018/141999
Date of the Decision to Grant the Patent:20/Dec/2018

[21] Application No.:GC 2013-26144

[22] Filing Date:24/12/2013

[30] Priority:

[33] State [32] Priority date [31] Priority No.
EP
27/12/2012
12461569.1

[72] Inventors:1- MAGGI, Carmelo،2- TOGNARELLI, Leonardo،3- CAPANNI, Alessio،4- WOJNAR, Jan

[73] Owner: Nuovo Pignone Srl, Via Felice Matteucci 2, Florence 50127, Italy

[74] Agent: Abu-Gazaleh Intellectual Property L.L.C

  

 

  

[51]IPC:
Int. Cl.: F16J15/16, 15/28, 15/44 (2006.01)

[56] Cited Documents:

-EP 2 302 090 A1 (NUOVO PIGNONE SPA [IT]) 30 March 2011
-FR 2 346 576 A1 (DART IND INC [US] EL PASO POLYOLEFINS [US]) 28 October 1977
-US 5 873 575 A (HANLON PAUL C [US]) 23 February 1999
-EP 1 146 263 A2 (HOERBIGER KOMPRESSORTECH SERV [AT] HOERBIGER KOMPRESSORTECH HOLD [AT]) 17 October 2001
 
Examiner: Eng. Fahad M. AlBaker

[54] Packing cups manufacturing
[57] Abstract: A method of manufacturing a packing cup for a hyper-compressor is described. Themethod comprises the following steps:providing an inner disc (25), having opposed first front face (25X) and secondfront face (25Y), a central axial hole (18) and at least one lubrication-oilduct (23);autofrettaging the lubrication-oil duct (23);after autofrettaging, removing a thickness (D) of the inner disc on both faces thereof.
No. of claims: 9     No. of figures: 13


 

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