ClassID:

50777

B29C55/28 - CPC Classification

Classification description:

Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation

Sub-classes:
Recent Application in this class:
#1
20260109105
2026-04-23

METHOD FOR PRODUCING STRETCHED FILM

#2
20260070287
2026-03-12

MANUFACTURING OF POLYETHYLENE THIN FILMS FOR HIGH-ALTITUDE BALLOONS

#3
20250237556
2025-07-24

METHOD AND MEASURING ARRANGEMENT FOR DETERMINING THE POSITION OF A FROST LINE IN THE MANUFACTURE OF A TUBULAR FILM OF THERMOPLASTIC MATERIAL

#4
20250214297
2025-07-03

INFLATION MOLDING APPARATUS AND CONTROL DEVICE

#5
20250121554
2025-04-17

STRETCHING DEVICE AND METHOD FOR STRETCHING A PLASTIC FILM IN THE TRANSPORT DIRECTION THEREOF

#6
20250100199
2025-03-27

FILM BLOWING MACHINE AND METHOD FOR PRODUCING A FILM WEB

#7
20240316852
2024-09-26

Mold Assembly for PVA Plastic Material and Shunt Cone of the Same

#8
20240262027
2024-08-08

HIGH PERFORMANCE COOLING ELEMENT

#9
20240239976
2024-07-18

PRODUCING POLYHYDROXYALKANOATE (PHA) BLOWN FILM

#10
20240239032
2024-07-18

ENCLOSING THE BLOWING AREA OF A BIOPOLYMER BLOWN FILM PRODUCTION PROCESS

#11
20240228831
2024-07-11

SEALANT FILM, MULTILAYER FILM INCLUDING SAME, PACKAGING BAG AND PACKAGING CONTAINER, AND METHOD FOR PRODUCING SEALANT FILM

#12
20240228683
2024-07-11

Unimodal polyethylene copolymer and film thereof

#13
20240173909
2024-05-30

CONTROLLED PRESSURE ENCLOSURE

#14
20240165839
2024-05-23

JOINING/PARTING UNIT FOR FILM WEBS

#15
20240149520
2024-05-09

Apparatus for the Production of Inline Stretched Tubular Foils by Blowing Process

#16
20240125517
2024-04-18

SOLAR-THERMAL PROCESS TEMPERATURE CONTROL SYSTEM FOR A FILM STRETCHING UNIT

#17
20240123691
2024-04-18

MANUFACTURING OF POLYETHYLENE THIN FILMS FOR HIGH-ALTITUDE BALLOONS

#18
20240109236
2024-04-04

Cooling Ring for Cooling a Film Tube

#19
20240083083
2024-03-14

Method for starting or terminating production of a film in a film manufacturing machine, film manufacturing machine and computer program product

#20
20240042666
2024-02-08

POLYMER FILMS AND THEIR PRODUCTION AND USE

#21
20230321888
2023-10-12

INFLATION MOLDING DEVICE

#22
20230241830
2023-08-03

PROCESS AND EQUIPMENT TO REGULATE THE THICKNESS OF ORIENTED TUBULAR FILM THAT IS MANUFACTURED IN A FILM BLOWING PROCESS

#23
20230211540
2023-07-06

Blown-Form Identification in a Blown Film System

#24
20230174728
2023-06-08

BLOWN FILMS WITH IMPROVED PROPERTY PROFILE

#25
20230173740
2023-06-08

Stretching Device and Method for Stretching a Plastic Film in the Transport Direction Thereof

#26
20230173739
2023-06-08

STRETCHING DEVICE AND METHOD FOR STRETCHING A PLASTIC FILM IN THE TRANSPORT DIRECTION THEREOF

#27
20230158727
2023-05-25

METHOD AND APPARATUS FOR COOLING

#28
20230018826
2023-01-19

APPARATUS AND METHOD TO ADJUST THE THICKNESS PROFILE IN THE PRODUCTION OF BLOWN FILMS

#29
20220388220
2022-12-08

Method for manufacturing a blown film with determination of the profile of a characteristic property of the film

#30
20220388219
2022-12-08

Blown Foil System and Method for Producing a Foil Web

#31
20220266574
2022-08-25

Multilayer thermoplastic film with improved puncture resistance performance

#32
20220126497
2022-04-28

Controlled pressure enclosure

#33
20220080714
2022-03-17

Composite film used for cable wrapping layer and preparation method for the same

#34
20220072755
2022-03-10

High performance cooling element

#35
20220055316
2022-02-24

Manufacturing of polyethylene thin films for high-altitude balloons

#36
20220041793
2022-02-10

Oriented biodegradable polyurethanes

#37
20210370570
2021-12-02

DEVICE FOR BLOWING AND STRETCHING PLASTIC PACKAGING FILM AND METHOD THEREOF

#38
20210299931
2021-09-30

Blown film forming apparatus

#39
20210221043
2021-07-22

DEVICE AND PROCESS TO PERMIT MONOAXIAL CHANGES IN THE LENGTH OF FILM WEBS

#40
20210179753
2021-06-17

Unimodal polyethylene copolymer and film thereof

#41
20210162644
2021-06-03

Apparatus and method to adjust the thickness profile in the production of blown films

#42
20210146599
2021-05-20

BIAXIALLY ORIENTED TUBULAR BLOWN FILM STRETCHING MACHINE BY ISOSTATIC PRESSURIZED WATER

#43
20200376785
2020-12-03

High-energy density nanocomposite capacitor

#44
20200376784
2020-12-03

Method for forming a high-energy density nanocomposite film

#45
20200325316
2020-10-15

Machine direction oriented films comprising multimodal copolymer of ethylene and at least two alpha-olefin comonomers

#46
20200108547
2020-04-09

Air flow controller and manufacturing method of stretched film

#47
20200048452
2020-02-13

POLYOXYMETHYLENE FILM AND PREPARATION METHOD THEREOF

#48
20200047397
2020-02-13

Shrink films comprising PA 6/6,6

#49
20200001513
2020-01-02

Process for in-line inspection of functional film layer containing detectable component

#50
20190389173
2019-12-26

Polymeric multilayer film

#51
20190291324
2019-09-26

Method and apparatus for cooling

#52
20190275722
2019-09-12

High performance cooling element

#53
20190275721
2019-09-12

Controlled pressure enclosure

#54
20190224902
2019-07-25

METHOD FOR PRODUCING A POLYMER FILM

#55
20190217521
2019-07-18

Device and method for calibrating a blown film

#56
20190193319
2019-06-27

Apparatus and method for film production and/or film processing

#57
20190152115
2019-05-23

DEVICE FOR BLOWING AND STRETCHING PLASTIC PACKAGING FILM AND METHOD THEREOF

#58
20190134876
2019-05-09

Cyclic-diene additives in polyethylene films and enhanced film orientation balance in production thereof

#59
20190126602
2019-05-02

Cover film, method of making cover film, and method of using cover film for enclosing compressed material

#60
20190118451
2019-04-25

Device and method for cooling a blown film

#61
20190070792
2019-03-07

Manufacturing of polyethylene thin films for high-altitude balloons

#62
20190030777
2019-01-31

Method and apparatus for extruding blown film with a controlled thickness profile

#63
20180355080
2018-12-13

Vinylidene chloride polymer composition comprising at least one sorbate ester

#64
20180354210
2018-12-13

Methods of making a film of dynamically vulcanized thermoplastic elastomeric materials

#65
20180354183
2018-12-13

Method for the online monitoring of film quality and film machine comprising a device for the online monitoring of film quality

#66
20180290364
2018-10-11

Guiding device and methods for guiding a plastic film, and blown film installation

#67
20180264704
2018-09-20

Film forming apparatus

#68
20180250921
2018-09-06

Multilayer film for deep draw forming and method for manufacturing same

#69
20180178433
2018-06-28

Calibrating device and method for calibrating a film tube

#70
20180133946
2018-05-17

INSTALLATION FOR PRODUCING A FILM WEB AND METHOD FOR OPERATING SUCH AN INSTALLATION

#71
20180126628
2018-05-10

Blown film installation, method for producing a blown film strip and film produced therewith

#72
20180126616
2018-05-10

Blown-film extrusion apparatus and a method for manufacturing a blown film

#73
20180099492
2018-04-12

Multilayer structures and articles comprising the same

#74
20180066130
2018-03-08

Barrier film for food packaging

#75
20180030255
2018-02-01

C2C3 random copolymer composition with improved balance between sealing initiation temperature and melting point

#76
20170266933
2017-09-21

Multilayer structure comprising polypropylene

#77
20170203489
2017-07-20

Controlled pressure enclosure

#78
20170203474
2017-07-20

High performance cooling system

#79
20170203473
2017-07-20

High performance cooling element

#80
20170173928
2017-06-22

Polyethylene sealant film having high strength and package using the same

#81
20170130040
2017-05-11

Barrier film for food packaging

#82
20170107341
2017-04-20

Thermoplastic polymeric nanocomposite films and related methods

#83
20170081486
2017-03-23

Mono- and multi-layer blown films

#84
20170050418
2017-02-23

Thermoplastic Elastomeric Films and the Method of Manufacturing Same

#85
20170028605
2017-02-02

Cyclic-diene additives in polyethylene films and enhanced film orientation balance in production thereof

#86
20170015043
2017-01-19

Thickness variation-adjusting air ring

#87
20170002186
2017-01-05

Barrier film for food packaging

#88
20170001401
2017-01-05

Plastic bags, rolls of plastic bags, and tubular blown film processes of making the same

#89
20160361902
2016-12-15

Mesh structure

#90
20160355647
2016-12-08

Polyolefin-based resin wrap film and wrap film-encasing body

#91
20160271863
2016-09-22

Gusset board with collapsible nose

#92
20160263813
2016-09-15

Method for manufacturing a blown film web as well as a blown film line

#93
20160263810
2016-09-15

Blown film line and method for operating a blown film line

#94
20160250794
2016-09-01

BLOWN FILM EXTRUSION SYSTEM AND PROCESS FOR MANUFACTURING A PLASTIC PRODUCT

#95
20160250792
2016-09-01

Device and method for the adjustment of the thickness profile in the production of blown films

#96
20160229158
2016-08-11

Machine direction oriented film for labels

#97
20160200030
2016-07-14

Process of obtaining a double-oriented film, co-extruded, and of low thickness made by a three bubble process that at the time of being thermoformed provides a uniform thickness in the produced tray

#98
20160176580
2016-06-23

Method for manufacturing a bag by means of blown film extrusion

#99
20160152390
2016-06-02

Heat-shrinkable multilayer film

#100
20160151950
2016-06-02

Apparatus for Producing Films Stretched In-Line

#101
20160151942
2016-06-02

Internal cooling tower for film blowing lines

#102
20160136871
2016-05-19

Mono- and Multi-Layer Blown Films

#103
20150311483
2015-10-29

Secondary battery metal terminal coating resin film, method for manufacturing same and battery pack

#104
20150266227
2015-09-24

Die device for an extrusion blow-moulding apparatus for producing a multilayered blown film

#105
20150258755
2015-09-17

MULTI-LAYER FILM

#106
20150203671
2015-07-23

BARRIER FILM FOR FOOD PACKAGING

#107
20150151482
2015-06-04

Blown film installation, method for producing a blown film strip and film produced therewith

#108
20150083261
2015-03-26

Apparatus and method of manufacturing pressure compensator type drip irrigation tubes with desired molecular orientation and tubes obtained thereby

#109
20150069671
2015-03-12

Device and method for guiding a blown film

#110
20150061198
2015-03-05

Process for forming film

#111
20140370278
2014-12-18

Multilayer film comprising cyclic olefin copolymer

#112
20140357826
2014-12-04

Stretched films with maintained tear resistance and methods for making the same

#113
20140353192
2014-12-04

Plastic bags, rolls of plastic bags, and tubular blown film processes of making the same

#114
20140166176
2014-06-19

Contoured Tire Innerliners and Methods of Making Thereof

#115
20140044906
2014-02-13

Multilayer structures having annular profiles

#116
20130256954
2013-10-03

Blown film fastening

#117
20130225743
2013-08-29

Barrier film for food packaging

#118
20130051710
2013-02-28

Stretched films with maintained tear resistance and methods for making the same

#119
20120298250
2012-11-29

HEAT-SHRINKABLE TUBE, AND PRODUCTION METHOD AND PRODUCTION APPARATUS THEREOF

#120
20120228793
2012-09-13

Method of forming blown polymeric foam film

#121
20120217324
2012-08-30

Apparatus and method of manufacturing pressure compensator type drip irrigation tubes with desired molecular orientation and tubes obtained thereby

#122
20120101251
2012-04-26

Biaxially oriented nylon film and process for production of biaxially oriented nylon film

#123
20110155309
2011-06-30

METHOD FOR MANUFACTURING FLAT MOLDED MEMBERS OR FILMS

#124
20110123763
2011-05-26

Polylactic acid shrink films and methods of manufacturing same

#125
20110091695
2011-04-21

Multilayer Film for Packaging for Thermal Treatment

#126
20110027511
2011-02-03

Multilayered polyamide tube for food packaging

#127
20110027404
2011-02-03

MULTI-TUBE EXTRUSION APPARATUS AND METHOD

#128
20110006452
2011-01-13

Process to regulate the thickness of oriented blown film

#129
20100249340
2010-09-30

Biaxially oriented nylon film, laminate wrapping material and process for production of biaxially oriented nylon film

#130
20100215879
2010-08-26

Multilayer structures having annular profiles and methods and apparatus of making the same

#131
20100062197
2010-03-11

Wrap film made of polyvinylidene chloride-based resin and process for producing the same

#132
20100056689
2010-03-04

POLYLACTIC ACID BLOWN FILM AND METHOD OF MANUFACTURING SAME

#133
20100007043
2010-01-14

Multi-Tube Extrusion Apparatus and Method

#134
20090294458
2009-12-03

Foamed Film for Shrink Labels

#135
20090252819
2009-10-08

Blown film extrusion device

#136
20090230595
2009-09-17

STRETCH/SHRINK LAYERED FILM AND PROCESS FOR PRODUCING THE SAME

#137
20090208718
2009-08-20

Mono-and multi-layer blown films

#138
20090123678
2009-05-14

Plasticzer in alkyl acrylate vinylidene chloride polymer

#139
20090096135
2009-04-16

Process and apparatus for pumping gases in a film

#140
20080283185
2008-11-20

Shrink film with individual layer irradiation

#141
20080280081
2008-11-13

POLYLACTIC ACID BLOWN FILM AND METHOD OF MANUFACTURING SAME

#142
20080179780
2008-07-31

Process for making shrink film comprising rapidly-quenched semi-crystalline polyamide

#143
20080143024
2008-06-19

METHOD AND APPARATUS FOR PRODUCING POLYSTYRENE TUBULAR SHRINK FILM VIA FILM BLOW MOLDING

#144
20080128935
2008-06-05

Method of producing a film made of a thermoplastic material

#145
20080118749
2008-05-22

Barrier film for food packaging

#146
20080081183
2008-04-03

MULTILAYER FILM

#147
20080061460
2008-03-13

Method and device for the production of blown tubular film

#148
20080036115
2008-02-14

Starch Resin Composition, Molded Product Using the Same and Method for Producing the Same

#149
20070187856
2007-08-16

Multi-layered blown film forming apparatus and multi-layered blown film forming method

#150
20070054073
2007-03-08

Polylactic acid blown film and method of manufacturing same

#151
20070014897
2007-01-18

Backseamed casing and packaged product incorporating same

#152
20070003774
2007-01-04

Polylactic acid shrink films and methods of manufacturing same

#153
20060243371
2006-11-02

Method of feeding tire component

#154
20060216535
2006-09-28

Process for the production of an oriented plastic film

#155
20060202376
2006-09-14

Processes for manufacturing blade member of developer quantity control blade and manufacturing the blade

#156
20060198960
2006-09-07

Process for making and using additive delivery laminate

#157
20060097433
2006-05-11

Process for the production of a plastic film

#158
20060057405
2006-03-16

Method and apparatus for producing polybutylene terephthalate film, and shape-memory polybutylene terephthalate laminate film

#159
20060051540
2006-03-09

Shape-memory polybutylene terephthalate film, production process and use thereof, and process for production of polybutylene terephthalate film

#160
20060051465
2006-03-09

Additive delivery laminate and packaging article comprising same

#161
20060045940
2006-03-02

Polylactic acid blown film and method of manufacturing same

#162
20050285311
2005-12-29

Apparatus for pumping gases in a film

#163
20050245162
2005-11-03

Multi-capable elastic laminate process

#164
20050214557
2005-09-29

Silicone-free multilayer shrink film for high speed packaging lines

#165
20050197459
2005-09-08

Preparation of polyethylene films

#166
20050170194
2005-08-04

Preparation of polyethylene films

#167
20050158492
2005-07-21

Longitudinal shrink films

#168
20050133969
2005-06-23

Vacuum blow-molding method for producing three-dimensional extruded tubular bodies, vacuum blow-molding device for performing the method, and vacuum blow-molding machine provided with the device

#169
20050127561
2005-06-16

Method of making expandable-collapsible bodies by temperature gradient expansion molding

#170
20050100698
2005-05-12

Longitudinal shrink films

#171
20050098918
2005-05-12

Process for the manufacture of environmentally friendly papers and compositions therefor

#172
20050040558
2005-02-24

Method and assembly for over-moulding a tubular element by plastic material compression

#173
20050029713
2005-02-10

Method and device for producing a film made of a thermoplastic material

#174
20050017123
2005-01-27

Turning bar for contactless guidance of a tubular film

#175
17226921
2021-11-16

Blown film coextrusion line with polygonal extruder arrangement