Single-faced corrugated cardboard sheet making machine having an adjustable pressing means

A single-faced corrugated cardboard sheet making machine having a pair of corrugating rolls for corrugating a core paper web into a wave shape, and a pasting member for applying paste to corrugation crest portions of the corrugated core paper web;

• the machine having an endless belt for pressing and sticking a liner to the core paper web applied with paste, and means for adjusting the pressing condition of the endless belt, with improvements comprising:
• means for cleaning the surface of the endless belt, and the means for adjusting the pressing condition of the endless belt including the belt being trained around the circumference of at least two belt rolls which press the endless belt against the liner on the surface of the corrugating roll, and wherein one of the rolls around which the endless belt is trained is movable in an adjustable manner with respect to the other roll to accomplish adjusting the pressing condition, the movement being in the direction at substantially right angles to the direction of a line connecting the centers of the rolls carrying the endless belt.

A single-faced corrugated cardboard sheet making machine having a pair of corrugating rolls for corrugating a core paper web into a wave shape, and a pasting member for applying paste to corrugation crest portions of the corrugated core paper web;

• the machine having an endless belt for pressing and sticking a liner to the core paper web applied with paste, and means for adjusting the pressing condition of the endless belt, with improvements comprising:
• means for cleaning the surface of the endless belt, and the means for adjusting the pressing condition of the endless belt including the belt being trained around the circumference of at least two belt rolls which press the endless belt against the liner on the surface of the corrugating roll, and wherein one of the rolls around which the endless belt is trained is movable to adjust the pressing condition, the movement being substantially in the direction of a line connecting the centers of the rolls carrying the endless belt;
• and said machine being provided with a belt travel direction correcting means for correcting deviation of the endless belt from a straight path of travel around the belt carrying rolls and for controllably relatively displacing a shaft carrying at least one of the rolls to automatically correct any deviation of the belt.

A single-faced corrugated cardboard sheet making machine having a pair of corrugating rolls for corrugating a core paper web into a wave shape, and a pasting member for applying paste to corrugation crest portions of the corrugated core paper web;

• the machine having an endless belt for pressing and sticking a liner to the core paper web applied with paste, and means for adjusting the pressing condition of the endless belt, with improvements comprising:
• means for cleaning the surface of the endless belt, and the means for adjusting the pressing condition of the endless belt including the belt being trained around the circumference of at least two belt rolls which press the endless belt against the liner on the surface of the corrugating roll, and wherein one of the rolls around which the endless belt is trained is movable to accomplish adjusting the pressing condition, the movement being in the direction at substantially right angles to the direction of a line connecting the centers of the rolls carrying the endless belt;
• and said machine being provided with a belt travel direction correcting means for correcting deviation of the endless belt from a straight path of travel around the belt carrying rolls and for controllably relatively displacing a shaft carrying at least one of the rolls to automatically correct any deviation of the belt.