Patents-Review.com
ClassID:

55375 ⎘

B31F5/008 - CPC Classification

Classification description:

Attaching together sheets, strips or webs; Reinforcing edges by friction, e.g. obtained ultrasonic vibrations

Recent Application in this class:
#1
20240383222
2024-11-21

SYSTEMS AND METHODS FOR FORMING DUAL FLUTED CORRUGATED BOARD

 #2
20220080696
2022-03-17

Systems and methods for forming dual fluted corrugated board

 #3
20220048271
2022-02-17

Method and apparatus for joining paper material

 #4
20220040952
2022-02-10

TUBULAR BAG MACHINE FOR PRODUCING PAPER BAGS

 #5
20200070462
2020-03-05

Method of ultrasonically bonding paperboard

 #6
20190001606
2019-01-03

RELEASABLE PAIR OF DUAL NESTED CORRUGATED SHEETS AND METHOD OF FORMING SAME

 #7
20160311189
2016-10-27

Method for producing packaging, and packaging machine

 #8
20150165719
2015-06-18

Ultrasonic joining method and ultrasonic joining device

 #9
20150165718
2015-06-18

Ultrasonic joining method and ultrasonic joining device

 #10
20120168064
2012-07-05

Method of assembling two webs of tissue paper with or without marking of said webs

 #11
20090298662
2009-12-03

Method for protecting the untrimmed edge of a paperboard or paper

 #12
20090255622
2009-10-15

Installation for assembling two webs of tissue paper with or without marking of said webs

 #13
20090104397
2009-04-23

Paper Sheet and Paper Sheet Bonding Method

 #14
20060266473
2006-11-30

Bonding by induced high-rate of shear deformation

 #15
20060254721
2006-11-16

Ultrasound unit for sealing lengths of filter paper

 #16
20060168910
2006-08-03

Device for sealing lengths of filter paper

 #17
20050082022
2005-04-21

Method for bonding at least two tissue papers to each other

 #18
20050016690
2005-01-27

Device for connecting a multilayered web by ultrasound