Single facer with quick change corrugating rolls
AssigneeMarquip, Inc.
InventorCarl R. Marschke
Life of this patent
Estimating the term…
Abstract
A corrugator single facer of the type utilizing a large diameter bonding roll and a small diameter corrugating roll provides quick roll change capability by mounting three large diameter bonding rolls on a rotatable turret and carrying corresponding small diameter corrugating rolls in a magazine positioned laterally offset from the machine. By driving the corrugating rolls indirectly through the pressure belt arrangement which supports the lower corrugating roll, roll change is significantly simplified.
Claims8
In a single facer apparatus for forming a single face corrugated web, including a first large diameter fluted corrugating roll;
- a first small diameter fluted corrugating roll positioned to interengage the large diameter roll to create therewith a corrugating nip through which a medium web is fed;
- a plurality of backing roll arrangements in operative rotatable engagement with the small diameter corrugating roll, each backing roll arrangement including pairs of backing rolls mounted on a support assembly and a pressure belt entrained around each pair of backing rolls;
- and, an actuator arrangement operatively connected to the support assemblies to move the pressure belts into supporting contact with the small diameter corrugating roll;
- a method for changing corrugating rolls comprising the steps of:
- (1) mounting three large diameter corrugating rolls including said first large diameter roll on a rotatable turret with the roll axes parallel to one another and to the rotational axis of the turret;
- (2) storing a plurality of small diameter corrugating rolls in a storage device positioned laterally offset from the turret and the large diameter rolls;
- (3) operating the actuator arrangement to move the support assemblies out of supporting contact with said first small diameter roll;
- (4) moving the first small diameter roll axially from the operative position to a storage position in said storage device;
- (5) moving another small diameter roll axially from the storage device to the operative position;
- and,
- (6) rotating the turret to bring another large diameter roll into the operative position.
A single facer apparatus for the production of a single face web from a corrugated medium web and a liner web, said apparatus comprising:
- a rotatable turret carrying at least two independently rotatable large diameter fluted bonding rolls on parallel rotational axes;
- a positioning device operable to rotate the turret to place a bonding roll into an operative position;
- a storage device carrying at least two small diameter fluted corrugating rolls in a storage position offset laterally from the turret and the bonding rolls;
- a transfer device operable to move a corrugating roll axially from the storage device into an operating position adjacent the bonding roll in the operative position;
- and,
- a corrugating roll support device to rotatably support the corrugating roll in operative engagement with the bonding roll.
Dependencies are inferred from the claim text.