Ovality Resistance of a Spirally Wound Fiber Tube

Convolute cardboard tube, apparatus and method for manufacturing the same

System for producing lengths of tube comprising helically wound strips

Box and method of constructing the same

Box and method of constructing the same

Box and method of constructing the same

Size-adjustable mandrel and method of constructing a box using the same

Equipment and method for the production of cardboard tubes

Core forming support of a paper reel

MACHINE AND METHOD FOR PRODUCING A TUBULAR ELEMENT BY WINDING A CARDBOARD STRIP IN A COIL PATTERN WITHOUT USE A QUICK-SETTING HOT GLUE

Core forming support of a paper reel

Coated Paperboard Core For Elastomeric Fiber Production

Reuse method for utilising reject rolls being produced in paper and cardboard factories

Water-resistant wound paperboard tube

High strength dimensionally stable core

Wound tubes with partially adhered structural layers, and methods for making same

Partially adhered tube and methods and apparatus for manufacturing same

Bitumen-based adhesive in lignocellulosic product