Patent · US Expired

Sheet folding machine

US4614512A · kind A · utility

66Cited by
6References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 8, 1985
Grant dateSep 30, 1986
Priority date
Expiry dateJul 8, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB31B2120/30
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Sheet-folding machine, especially for packaging cases made of corrugated cardboard, after they have been produced and printed. It incorporates advancing (10) and folding (22) belts which are maintained at the exact cycle of the machine by means of pulleys (14) provided with recentering fingers (15). The conveyor belts are provided with suction elements (19), and the folding belts are provided with push-studs (25) arranged to correspond to the turned-down portions (5) to be folded.

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