ClassID:

49804

B29C45/52 - CPC Classification

Classification description:

Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor; Component parts, details or accessories; Auxiliary operations; Means for plasticising or homogenising the moulding material or forcing it into the mould using screws; Axially movable screw Non-return devices

Sub-classes:
Recent Application in this class:
#1
20250205948
2025-06-26

BACKFLOW-PREVENTING-MECHANISM-EQUIPPED SCREW, INJECTION MOLDING APPARATUS INCLUDING THE SAME, AND BACKFLOW PREVENTING RING

#2
20230364841
2023-11-16

INJECTION MOLDING MACHINE

#3
20210178648
2021-06-17

Screw of injection molding machine for foam molding and injection molding machine

#4
20210053264
2021-02-25

Nonreturn valve for the screw of a plasticising unit of an injection-moulding machine

#5
20190308353
2019-10-10

Method of determining melt flow front travel using injection melt pressure and screw position to generate an output and continuously monitor check ring repeatability

#6
20190232536
2019-08-01

Injection moulding machine for producing fibre-reinforced plastic mouldings

#7
20170087756
2017-03-30

Plasticizing unit of an injection molding machine for micro-injection molding

#8
20160082627
2016-03-24

PLASTIC MOULDING METHOD

#9
20160075065
2016-03-17

Screw position adjusting device for injection molding machine

#10
20160039116
2016-02-11

Kneading apparatus, method for producing thermoplastic resin molded product, and foam injection molding method

#11
20150360404
2015-12-17

Mold stack having a floating cavity insert

#12
20150103615
2015-04-16

Kneading apparatus, method for producing thermoplastic resin molded product, and foam injection molding method

#13
20140004335
2014-01-02

Method for producing molded product, method for producing molded product having plating film, method for producing resin pellet, foam molded product having plating film, foam injection molding method, nozzle unit, and injection molding apparatus

#14
20130163369
2013-06-27

Kneading apparatus and method for producing thermoplastic resin molded product

#15
20120263822
2012-10-18

CHECK VALVE

#16
20120193825
2012-08-02

Control method for screw of injection molding machine

#17
20120114785
2012-05-10

Device for producing plastic molded parts having a locking ring with a wear resistant material

#18
20110229597
2011-09-22

Check valve for an injection molding machine

#19
20100215792
2010-08-26

Screw, injection apparatus, and pressure member

#20
20100151074
2010-06-17

Plastification and injection unit with back-flow barrier

#21
20090186115
2009-07-23

Plasticizing and injection device

#22
20090117222
2009-05-07

Precise control non-return valve

#23
20090026646
2009-01-29

Injection molding machine, and method for adjusting a reverse rotation amount of a reverse rotation process in an injection molding machine

#24
20090022839
2009-01-22

Injection molding machine which carries out controlling of closing operation of a check ring

#25
20090022838
2009-01-22

Injecting molding machine having a torque detecting device

#26
20080305202
2008-12-11

Injection molding machine having a check valve closing position determining device

#27
20080305201
2008-12-11

Injection molding machine having a screw equipped with a check ring

#28
20080305199
2008-12-11

Injection molding machine and method for determining closure of check ring

#29
20080199551
2008-08-21

Injection molding machine

#30
20080197521
2008-08-21

Method of indicating an open/close state of a check valve of an injection molding machine

#31
20080152748
2008-06-26

Injection molding machine having a force peak time detecting device

#32
20080150181
2008-06-26

Injection molding machine and method of adjusting control condition for reverse rotation of screw in injection molding machine

#33
20080110507
2008-05-15

BACKFLOW PREVENTION DEVICE FOR IN-LINE SCREW-TYPE INJECTION MOLDING MACHINE

#34
20080065356
2008-03-13

Anomaly monitoring method of an injection molding machine

#35
20070275112
2007-11-29

Screw Tip and Molding System Apparatus

#36
20070269550
2007-11-22

Molding-system valve having knockdown retainer

#37
20070267779
2007-11-22

Cap for servicing molding-system valve

#38
20070065538
2007-03-22

Molding system having valve including pump

#39
20070003660
2007-01-04

Brake for molding machine valve

#40
20060222731
2006-10-05

Molten molding material dispenser

#41
20060088624
2006-04-27

Poppet valve assembly

#42
20060071370
2006-04-06

Method for preventing backflow of resin in injection apparatus

#43
20060013910
2006-01-19

Injection molding screw

#44
20050255188
2005-11-17

Screw tip and molding system apparatus

#45
20050233020
2005-10-20

Non-return valve for use in a molding system

#46
20050214404
2005-09-29

Check valve assembly for injection molding apparatus

#47
20050129802
2005-06-16

Backflow prevention device for in-line screw injection molding machine