ClassID:

54094

B29L2023/186 - CPC Classification

Classification description:

Tubular articles; Pleated or corrugated hoses having a smooth internal wall

Recent Application in this class:
#1
20210276236
2021-09-09

Apparatus for forming a protecting duct with integrated inner and outer walls, and the duct formed thereby

#2
20210001533
2021-01-07

Method and machine for producing a single-walled or multi-walled tubular thermoplastic body

#3
20180186045
2018-07-05

Process and apparatus to injection mold continuous lengths of hollow plastic articles

#4
20170321829
2017-11-09

Method for forming inline triple wall coupling connector

#5
20160221244
2016-08-04

System and method of inspecting inner smooth wall of corrugated dual wall pipe

#6
20160138743
2016-05-19

Methods and assemblies for welding a gasket to a pipe section

#7
20160018027
2016-01-21

Coilable dual wall corrugated pipe and related method

#8
20140174653
2014-06-26

Methods and assemblies for welding a gasket to a pipe section

#9
20130247632
2013-09-26

Method for producing spiral pipe

#10
20120038117
2012-02-16

Flexible hinge gasket

#11
20110221090
2011-09-15

Systems and methods for deforming an outer wall of pipe

#12
20110018176
2011-01-27

Method and device for producing a double-walled thermoplastic corrugated pipe having a connecting sleeve

#13
20100320745
2010-12-23

Method for coupling corrugated pipe segments

#14
20100303942
2010-12-02

Alignable cooling plug for extruder

#15
20100269945
2010-10-28

Method of and apparatus for continuously producing a twin-wall pipe comprising pipe socket and twin-wall pipe

#16
20100184577
2010-07-22

Apparatus for forming curls in reinforcing material-attached profile strip, method for producing spiral pipe, and apparatus for producing spiral pipe

#17
20100181766
2010-07-22

INTEGRAL PIPE GASKET

#18
20100102489
2010-04-29

Method and device for the continuous production of a plastic compound pipe comprising a pipe socket

#19
20100089074
2010-04-15

Apparatus and Method for Cooling an Outer Wall of Pipe

#20
20100032046
2010-02-11

Method of forming corrugated pipe with a pipe spigot seal seat

#21
20100007136
2010-01-14

Locking pipe joint and a method of making the same

#22
20090295043
2009-12-03

In-mold punch apparatus and methods

#23
20090174123
2009-07-09

Method and device for manufacturing a double-walled, thermoplastic tube with a connecting sleeve

#24
20090136608
2009-05-28

APPARATUS FOR CONTINUOUS PRODUCTION OF A COMPOSITE PIPE WITH A PIPE SOCKET

#25
20090133771
2009-05-28

Method and Apparatus for Making Plastic Drainage Pipe Reinforced By Steel Strips and the Plastic Drainage Pipe Reinforced By Steel

#26
20090102084
2009-04-23

Pipe extruding system with cooling plug separation

#27
20090014906
2009-01-15

Apparatus for fabricating bellows type hose and fabrication method thereof

#28
20080097396
2008-04-24

Medical devices and related systems and methods

#29
20080035229
2008-02-14

Breathing air hose and method of making same

#30
20070267012
2007-11-22

Snorkels, flexible tubes, mouthpieces and methods

#31
20070259065
2007-11-08

Apparatus to Shape the Interior Surface of a Pipe made of Thermoplastic Material

#32
20070134458
2007-06-14

Aromatic polyamide tubing for vehicle applications

#33
20070134357
2007-06-14

Pipe molding system with vacuum and temperature controls of cooling plugs

#34
20060293159
2006-12-28

Apparatus for producing double-walled composite tubes

#35
20060119013
2006-06-08

Method for manufacturing double wall corrugated pipe

#36
20050073069
2005-04-07

Method for manufacturing double- wall corrugated tube

#37
16209158
2020-12-01

Medical devices and methods for producing the same

#38
15910549
2019-01-22

Medical devices and methods for producing the same