B29C44/46 - CPC Classification Index

ClassID:

49131 ⎘

B29C44/46 - 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; Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length

Sub-classes:

B29C44/461 » {dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface} 44
B29C44/467 » {Foam spreading or levelling devices} 11
B29C44/468 » {in a plurality of parallel streams which unite during the foaming} 37
B29C44/48 » by gravity, e.g. casting onto, or between, moving surfaces 1
B29C44/50 » using pressure difference, e.g. by extrusion, by spraying 84
B29C44/54 » in the form of expandable particles or beads 9

Recent Application in this class:

20230356443

2023-11-09

BUILDING PANEL

20230356435

2023-11-09

METHOD AND APPARATUS FOR PRODUCING SOLID FOAM, PRODUCT AND USE

20200353716

2020-11-12

Polyurethane-based insulation board

20200023565

2020-01-23

Method of making a building panel and the panel

20190366612

2019-12-05

Process for flexibly manufacturing wetsuit or garment by integrally forming a functional surface layer on a rubber foam substrate

20170321028

2017-11-09

SYSTEM AND METHOD FOR MAKING HIGH-DENSITY COVER BOARDS

20160271846

2016-09-22

Method and device for manufacturing a thermoplastic sandwich structure comprising a thermoplastic foam layer and fiber-reinforced thermoplastic cover layers

20160250784

2016-09-01

Method and device for manufacturing a sandwich structure comprising a thermoplastic foam layer

20120295034

2012-11-22

Method and device for producing polymer laminations or strand-shaped applications on a substrate

#10

20080110926

2008-05-15

Dispensing system and chemical flow heating means for use therein

#11

20050044820

2005-03-03

Dispensing system with means for easy access of dispenser components and method of using same