Patent · US Expired

Corrugating machine with a flexible vessel pressure applying means

US5256240A · kind A · utility

28Cited by
3References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 25, 1992
Grant dateOct 26, 1993
Priority date
Expiry dateMar 25, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T156/1025
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A heat transfer system particularly though not exclusively for assisting the bonding of a continuous liner sheet to a single faced board in a corrugating machine where the single faced board (10), after gluing of the corrugated tips is brought together with the liner (12) and conveyed across a series of hot plates (15), the invention consisting of a series of vessels (20) containing a liquid or gas arranged above the conveyed board to press same uniformly in contact with the hot plate surface irrespective of distortion or undulation thereof thus to ensure adequate heat transfer and avoid damage to the board.

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