Patent · US Expired

Longitudinal slitting and/or grooving machine for transported material sheets, particularly for sheets of corrugated board

US4976676A · kind A · utility

10Cited by
10References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 1989
Grant dateDec 11, 1990
Priority date
Expiry dateAug 4, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/7876
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An apparatus for longitudinally slitting and/or grooving material sheets, particularly for sheets of corrugated board, which are being transported through the apparatus. The apparatus includes a plurality of tool members positioned in rows on opposing sheet sides which cooperate in opposing pairs. Each set of rows includes a drive shaft and an adjusting spindle in operable communication with the tool members which include tool body members and which can be conducted within the apparatus along guide rails and can be coupled through controllable couplings to the adjusting spindles. Each tool body member also includes a plurality of tool members where at least one of the tool body members and guide rails are adjustable within the apparatus to position the opposing pair of tool members in the operating positions in engagement with the sheet.

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