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1. (WO2019046966) INJECTION UNIT FOR AN INJECTION MOLDING MACHINE
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Pub. No.: WO/2019/046966 International Application No.: PCT/CA2018/051107
Publication Date: 14.03.2019 International Filing Date: 10.09.2018
IPC:
B29C 45/53 (2006.01) ,B29C 45/58 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
45
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
17
Component parts, details or accessories; Auxiliary operations
46
Means for plasticising or homogenising the moulding material or forcing it into the mould
53
using injection ram or piston
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
45
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
17
Component parts, details or accessories; Auxiliary operations
46
Means for plasticising or homogenising the moulding material or forcing it into the mould
58
Details
Applicants:
NIIGON MACHINES LTD. [CA/CA]; 372 New Enterprise Way Vaughan, Ontario L4H 0S8, CA
Inventors:
SCHAD, Robert D.; CA
ROESSLER, Patrick; CA
WINKELS, Brandon; CA
ALT, Jonathan; CA
LINK, Carsten; CA
Agent:
BERESKIN & PARR LLP/S.E.N.C.R.L., S.R.L.; 40 King Street West 40th Floor Toronto, Ontario M5H 3Y2, CA
Priority Data:
62/556,46210.09.2017US
Title (EN) INJECTION UNIT FOR AN INJECTION MOLDING MACHINE
(FR) UNITÉ D'INJECTION POUR UNE MACHINE DE MOULAGE PAR INJECTION
Abstract:
(EN) An injection unit for an injection molding machine includes a first cylinder rotatably supported in a housing, and a first piston head received in sealed sliding fit in a first annular space radially intermediate an inner wall surface of the first cylinder and an outer surface of a shaft. The first piston head is affixed to a second cylinder back end of a second cylinder coaxial with the first cylinder. The second cylinder is fixed to rotate with the first cylinder, is free to translate relative to the first cylinder, and has a second cylinder front end opposite the back end for connection to a plasticizing screw. A second piston head is received in sealed sliding fit in an interior of the second cylinder and affixed to a front end of the shaft. The second piston head is axially and rotationally fixed relative to the housing.
(FR) Une unité d'injection pour une machine de moulage par injection comprend un premier cylindre supporté de manière rotative dans un boîtier, et une première tête de piston reçue dans un ajustement coulissant scellé dans un premier espace annulaire radialement entre une surface de paroi interne du premier cylindre et une surface externe d'un arbre. La première tête de piston est fixée à une seconde extrémité arrière de cylindre d'un second cylindre coaxial au premier cylindre. Le second cylindre est fixé de façon à tourner avec le premier cylindre, est libre de se déplacer en translation par rapport au premier cylindre, et a une seconde extrémité avant de cylindre opposée à l'extrémité arrière pour une connexion à une vis de plastification. Une seconde tête de piston est reçue dans un ajustement coulissant scellé à l'intérieur du second cylindre et fixée à une extrémité avant de l'arbre. La seconde tête de piston est fixée axialement et de manière rotative par rapport au boîtier.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)