ClassID:

49090

B29C44/3449 - CPC Classification

Classification description:

Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles; Auxiliary operations; Mixing, kneading or conveying the foamable material; Feeding the blowing agent through the screw

Recent Application in this class:
#1
20260021612
2026-01-22

METHOD FOR ESTIMATING GAS CONCENTRATION IN MOLTEN RESIN IN INJECTION DEVICE FOR FOAM MOLDING

#2
20240254292
2024-08-01

MASTER BATCH COMPOSITION FOR A WEIGHT-REDUCED PLASTIC PRODUCT AND METHOD OF MANUFACTURING THE SAME

#3
20240051208
2024-02-15

INJECTION MOLDING MACHINE FOR PERFORMING FOAM MOLDING AND METHOD FOR CONTROLLING INJECTION MOLDING MACHINE

#4
20230390976
2023-12-07

MASTER BATCH COMPOSITION FOR A WEIGHT-REDUCED PLASTIC PRODUCT AND METHOD OF MANUFACTURING THE SAME

#5
20220314505
2022-10-06

Foam molding apparatus and foam molding method thereby

#6
20210024716
2021-01-28

Method for producing molded foam articles, and molded foam articles

#7
20200391416
2020-12-17

BLOWING AGENT INTRODUCTION IN POLYMER FOAM PROCESSING METHODS AND SYSTEMS

#8
20200230851
2020-07-23

POLYMERIC FOAM PROCESSING SYSTEMS AND METHODS

#9
20200215738
2020-07-09

Vented twin-screw kneading extrusion apparatus and extrusion method

#10
20200172661
2020-06-04

FOAMABLE THERMOPLASTIC POLYESTER COPOLYMER

#11
20200072364
2020-03-05

Valve

#12
20190344485
2019-11-14

Method and apparatus for the manufacture of cellular solids

#13
20190329463
2019-10-31

Mixing device for producing a plastic melt loaded with a propellant

#14
20190291314
2019-09-26

POLYMER FOAM PROCESSING INCLUDING DIFFERENT TYPES OF BLOWING AGENT

#15
20190030769
2019-01-31

METHOD FOR PRODUCING A CLIMATE CONTROL BOX

#16
20170087749
2017-03-30

METHOD FOR PRODUCING A CLIMATE CONTROL BOX

#17
20160311994
2016-10-27

ANISOTROPIC POLYCARBONATE FOAM

#18
20160151954
2016-06-02

Vented twin-screw kneading extrusion apparatus and extrusion method

#19
20150130104
2015-05-14

Method of fabricating a foamed, injection molded component with improved ductility and toughness

#20
20140252669
2014-09-11

Method of fabricating an injection molded component

#21
20120177766
2012-07-12

Blowing agent introduction systems and methods

#22
20070141188
2007-06-21

Blowing agent introduction systems and methods

#23
20070003652
2007-01-04

Apparatus and process for producing and delivering a foamable plastic

#24
20060034958
2006-02-16

Device for producing physically expanded structural foams during an injection molding process involving the use of dynamic mixing elements

#25
20050189667
2005-09-01

Controllable microscopic bubble nucleation in fluid polymer material production method and its apparatus