ClassID:

55233

B31D3/007 - CPC Classification

Classification description:

Making articles of cellular structure, e.g. insulating board; Making cellular structures from corrugated webs or sheets by cutting corrugated webs longitudinally into strips, piling these strips and uniting them

Recent Application in this class:
#1
20250381752
2025-12-18

CORRUGATING AND DIE-CUTTING SYSTEM AND METHOD FOR OPERATING THE SAME

#2
20250074028
2025-03-06

Tooling Method for Expanded Slit Sheet Material

#3
20230356493
2023-11-09

Expanded Slit Sheet Packaging Material That Interlocks When Layered and Expanded

#4
20230098429
2023-03-30

System for repurposing cardboard into a cat scratching surface

#5
20220072823
2022-03-10

Tooling method for expanded slit sheet material

#6
20210299992
2021-09-30

Honeycomb, in particular deformable honeycomb, for lightweight components, corresponding production method, and sandwich component

#7
20200247079
2020-08-06

Expandable slit sheet packaging material that interlocks when layered and expanded

#8
20170259520
2017-09-14

Honeycomb, in particular deformable honeycomb, for lightweight components, corresponding production method, and sandwich component

#9
20170151744
2017-06-01

PROCESS AND APPARATUS FOR PRODUCING STABLE HONEYCOMB STRUCTURES OF ANY DESIRED FORM FROM CORRUGATED PAPER

#10
20160303819
2016-10-20

LOAD-BEARING HONEYCOMB STRUCTURES MADE FROM FOLDED MULTILAYER CORRUGATED CARDBOARD

#11
20160067938
2016-03-10

Expandable slit sheet packaging material that interlocks when layered and expanded

#12
20160039165
2016-02-11

PROCESS AND APPARATUS FOR PRODUCING STABLE HONEYCOMB STRUCTURES OF ANY DESIRED FORM FROM CORRUGATED PAPER

#13
20110244259
2011-10-06

Manufacturing process

#14
20090145556
2009-06-11

CORRUGATED-CARDBOARD-STRIP TURNING DEVICE

#15
20090098334
2009-04-16

CORRUGATED HONEYCOMB CARDBOARD MACHINE

#16
20090096158
2009-04-16

Corrugated-cardboard-strip conveyor device

#17
20080236730
2008-10-02

Method of forming open core web elements

#18
20080078495
2008-04-03

Web Fluting Apparatus and method of Forming Open Core Web Elements

#19
20080020080
2008-01-24

Method and Apparatus for Manufacturing Open Core Elements from Web Material

#20
20080000580
2008-01-03

Method and apparatus for manufacturing open core elements from web material

#21
20060286354
2006-12-21

Billet sawing process