Device for cutting a fiber web

A device for cutting a web of fiber, paper or the like, comprising:

• a jet nozzle for spraying liquid on the web, and including an outlet supported above the plane of the web, the plane of the web being the plane through which the web is moving at the location along the length of the web at which the liquid is to be sprayed;
• a stationary support axis for supporting said jet nozzle at the aforesaid location;
• said jet nozzle being swivelably mounted to said support axis for enabling swiveling of said jet nozzle such that the spray of liquid traverses across the web and cuts the plane of the web;
• said jet nozzle being swivelable around said support axis through a jet nozzle swivel plane;
• said jet nozzle swivel plane intersecting the plane of the web at an angle of less than 90.degree..

A device for cutting a web of fiber, paper or the like, comprising:

• a jet nozzle for spraying liquid on the web, and including an outlet supported above the plane of the web, the plane of the web being the plane through which the web is moving at the location along the length of the web at which the liquid is to be sprayed;
• a stationary support axis for supporting said jet nozzle at the aforesaid location;
• said jet nozzle being swivelably mounted to said support axis for enabling swiveling of said jet nozzle such that the spray of liquid traverses across the web and cuts the plane of the web;
• a second said jet nozzle and a respective second said stationary support axis therefor;
• said support axes being spaced apart, whereby each said jet nozzle swivels to spray a respective section of the web in the web plane;
• said swivel axes being so placed and said jet nozzles being so oriented that at a respective end of each swiveling path of each said jet nozzle, the sprays from each said jet nozzle cross each other in the web plane.

A device for cutting a web of fiber, paper or the like, comprising:

• a first jet nozzle for spraying liquid on the web, and including an outlet supported above the plane of the web, the plane of the web being the plane through which the web is moving at the location along the length of the web at which the liquid is to be sprayed;
• a first stationary support axis for supporting said first jet nozzle at the aforesaid location;
• said jet nozzle being swivelably mounted to said first support axis for enabling swiveling of said jet nozzle in a first jet nozzle swivel plane, which intersects the plane of the web such that the spray of liquid traverses across the web and cuts the plane of the web;
• a second said jet nozzle and a respective second said stationary support axis therefor to which said second jet nozzle is swivelably mounted for enabling swiveling of said second jet nozzle in a second jet nozzle swivel place, which also intersects the plane of the web;
• said first and second support axes being spaced apart, whereby each said jet nozzle swivels to spray a respective section of the web in the web plane;
• the web having a width between its side edges;
• each said jet nozzle being supported laterally outside the width of the web beyond a respective side edge of the web.