Patent AU-2012343353-B2 (AU)
Title: Apparatus and method for providing improved grinding lines on an aluminium substrate disc
Inventor: HONG Eng Seong
IPC: B24D3/00
Filed: 2012-04-03
Granted: 2015-07-09
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date W O 2013/100749 A1 4 July 2013 (04.07.2013) W I PO I P CT (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every B24D 7/14 (2006.01) B24D 7/06 (2006.01) kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, (21) International Application Number: CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, PCT/MY2012/000074 DZ, EC, EE, EG, ES, Fl, GB, GD, GE, GH, GM, GT, HN, (22) International Filing Date: HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, 3 April 2012 (03.04.2012) KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (25) Filing Language: English OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, (26) Publication Language: English SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (30) Priority Data: P12011006290 27 December 2011 (27.12.2011) MY (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, (71) Applicant (for all designated States except US): KOBE GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, PRECISION TECHNOLOGY SDN. BHD. [MY/MY]; UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, MD, RU, Plot 39, Phase IV, Bayan Lepas Industrial Estate, 11900 TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, Penang (MY). DK, EE, ES, Fl, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, (72) Inventors; and LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, (75) Inventors/Applicants (for US only): HONG Eng Seong SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, [MY/MY]; Kobe Precision Technology SDN. BHD., Plot GW, ML, MR, NE, SN, TD, TG). 39, Phase IV, Bayan Lepas Industrial Estate, 11900 Penang Published: (MY). ELMA Masrini Binti Halim [MY/MY]; Kobe Pre cision Technology SDN. BHD., Plot 39, Phase IV, Bayan with international search report (Art. 21(3)) Lepas Industrial Estate, 11900 Penang (MY). (74) Agent: HUANG Peter; c/o Peter Huang & Richard, 368 3-1 & 2 Bellisa Row, Jalan Burma, 10350 Penang (MY). (54) Title: APPARATUS AND METHOD FOR PROVIDING IMPROVED GRINDING LINES ON AN ALUMINIUM SUB STRATE DISC (57) Abstract: A grinding apparatus for establish 34 ing grinding lines on an aluminium substrate disc, said apparatus including; a central rotatable shaft; a rotatable peripheral ring; a pair of circular grinding plates wherein each plate includes a 0 O central bore hole positionable about the central 0@ ® ~ ®rotatable shaft wherein each of the circular grind 0 0ing plates are free to rotate independently of the 42'- 38 other and/or the central rotatable shaft; a plurality -0 0 0 0040 of carrier plates adapted to be sandwiched in 0 0 40 between the pair of circular grinding plates @ wherein each carrier plate includes a series of 452 pockets to which aluminium substrate discs are 46 nestable therein such that the upper and lower 45 0 o surfaces of the aluminium discs are in contactable communication with each of the circular grinding plates; wherein the central rotatable shaft, peri 0 0 @@ on @ 0pheral ring and the plurality of carrier plates in0 @@clude a series of teeth and/or gears along their an 48 OD gular edges so as to establish an epicyclic gearing 0 @ so as to increase and create a degree of rotation o %32 upon each of the central rotatable shaft, peripher 36 al ring and each of the carrier plates such that the ability to impart rotation upon the carrier plates to which the aluminium discs rest therein results in o an elliptical criss-cross grinding line pattern.