Patent · US Expired

Corrugating apparatus

US5830311A · kind A · utility

16Cited by
14References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 23, 1995
Grant dateNov 3, 1998
Priority date
Expiry dateMay 23, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/627
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Corrugating apparatus that includes paddles and an ultrasonic welding device. The paddles are attached at one end to a belt that moves about a path. The paddles extend radially from the belt, and each paddle has a free end that supports a web as the paddles move about the path. The free ends of the paddles are able to move towards each other to cause the web to corrugate. The ultrasonic welding device is located downstream to where the paddles' free ends move towards each other. The ultrasonic welding device has a horn and an anvil, and the anvil includes the free ends of the paddles.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.