| Patent Number |
Title Of Patent |
Date Issued |
| RE31521 |
Slitter-scorer apparatus |
February 14, 1984 |
| A slitter-scorer apparatus comprises upper and lower slitter-scorer units which are disposed in one above the other relationship and are vertically movable respectively. The apparatus can immediately change slitting and scoring operations along the flowing direction of long and flat mate |
| RE31138 |
Single facer for manufacturing single-faced corrugated board |
February 1, 1983 |
| A single facer for manufacturing single-faced corrugated board having a first corrugating roll and a second corrugating roll meshing with the first corrugating roll to form a nip for receiving a sheet medium to corrugate the same, the second corrugating roll being provided with radial |
| RE30628 |
Web cutting control system |
May 26, 1981 |
| A web cutting control system controlling the speed of a rotary cutter for automatic, continuous and precise cutting of a web fed at a constant speed into predetermined lengths or on the marks on the web. Two transducers generate pulses the number of which corresponds to the web feed leng |
| 4906679 |
Adhesives useful for production of corrugated board |
March 6, 1990 |
| A process for production of corrugated board using an aqueous adhesive which contains polyvinyl alcohol and clay, or polyvinyl alcohol, clay and water-soluble boron compound, the ratio of clay to polyvinyl alcohol being in the range of 200 to 600 parts by weight based on 100 parts by wei |
| 4737846 |
Device for detecting defects in single faced corrugated fiberboards |
April 12, 1988 |
| A device for detecting any defects in single faced corrugated fiberboard while it is running. A light is irradiated to the corrugated surface of the fiberboard and the striped image is scanned by an image pick-up unit and the picture signal is converted to binary-coded signal to discrimi |
| 4696212 |
Rotary cutter |
September 29, 1987 |
| An improved rotary cutter for a web material is proposed. It has a pair of rolls adapted to rotate synchronously in opposite directions and an axially elongated knife secured to each roll to extend axially. A plurality of rolling bodies are arranged around each roll to bear the shock |
| 4684360 |
Tool positioning device |
August 4, 1987 |
| A device for positioning tools such as slitters and scorers used with a corrugating machine is proposed. As a pair of rotary shafts rotate, tool heads mounted thereon and each carrying a tool rotate, so that the tools work the web of corrugated fiberboard fed between them as required. Wh |
| 4682743 |
Apparatus for automatically mounting a web roll on a mill roll stand |
July 28, 1987 |
| An apparatus for automatically mounting rolls of a web material on a mill roll stand first moves a web roll on a roller conveyor in an axial direction and then in a lateral direction toward roll supports. The web roll is then automatically aligned with the roll supports by moving it |
| 4612006 |
Die cutting apparatus |
September 16, 1986 |
| An improved die cutting apparatus separates the gripper margin from the product portion and the releases the gripper margin from the gripper at the same station, i.e. at a pair of rolls. Further, the gripper margin is re-held and re-released at the pair of the rolls to prevent the grippe |
| 4600841 |
Apparatus for detecting marks on a running web |
July 15, 1986 |
| Mark detector for detecting marks on a running web distinguished from any printed letter or pattern or any printing smudge. The width of mark segments and the distance between them are determined and, if they are within preset ranges, a mark detection signal is given. A delayed signal |
| 4592278 |
Printing apparatus |
June 3, 1986 |
| An improved printing apparatus has printing units, a pair of feed rolls, a pair of pull rolls, a speed adjusting unit having a pair of rolls, and a control unit. The speed adjusting unit reciprocates linearly to advance and retreat the web in the printing units. While the web is being pr |
| 4586673 |
Apparatus for automatically mounting a web roll on a mill roll stand |
May 6, 1986 |
| An apparatus for automatically mounting rolls of a web material on a mill roll stand first moves a web roll on a roller conveyor then in an axial direction and next in a lateral direction toward roll then automatically supports. The web roll is aligned with the roll supports by moving it |
| 4586434 |
Device for replacing plate cylinders |
May 6, 1986 |
| A device for replacing plate cylinders for a color rotary press is proposed which includes suspending units having a bearing adapted to support one end of the shaft of a plate cylinder and to be movable in a vertical direction, and travellers for moving the suspending units in a horizont |
| 4569714 |
Single facer having rapid roll changing means |
February 11, 1986 |
| A single facer for manufacturing single-faced corrugated boards comprising a pair of side frames, each side frame having an interior opening which has been formed so that either or both of upper and lower corrugating rolls may be lowered and taken out through it. |
| 4541335 |
Web printing apparatus with printing plate cylinder and web speed control |
September 17, 1985 |
| An improved printing apparatus for printing a running web is proposed which includes printing units each having a plate cylinder adapted to carry two plates, a pair of impression cylinders mounted in diametrically opposite directions, and adjust rolls for guiding the web so that the leng |
| 4508279 |
Surface winder |
April 2, 1985 |
| A surface winder for a web of sheet material which performs transfer of winding operation from a winding device to another winding device without stopping of the operation or slowing down of the speed of operation. The surface winder comprises plural winding devices, web guide means, a |
| 4481053 |
Method and apparatus for splicing web |
November 6, 1984 |
| An improved process and apparatus for splicing a new web to a running web are proposed. The old web is cut off just behind the spliced point. Therefore, no tail is left on the web spliced. The running web is nipped at two points between two pairs of rolls. Because it is tight between the |
| 4466320 |
Rotary die cutter |
August 21, 1984 |
| A rotary die cutter for die-cutting blanks one after another has a blank feed unit, a pair of cylinders for die-cutting the blanks, and an endless member running synchronized with the cylinders. The blanks are gripped by grippers mounted at equal spacings on the endless member. The cylin |
| 4458851 |
Mill roll stand |
July 10, 1984 |
| A mill roll stand for supporting at least one roll of paper or similar web-like material. The stand has a pair of endless members arranged with a spacing therebetween, at least one pair of bases mounted on the endless members so as to be opposed to each other, at least one pair of center |
| 4425695 |
Rolls for use in corrugated fibreboard production system |
January 17, 1984 |
| Rolls having an elasticity on their outer periphery are used in corrugated fibreboard producing and processing machines. Tubes or tubular sheet adapted to be inflated with gas, elastic cords or strings, elastic tubular sheets, or tubular sheets with air bubbles thereon or therein are use |
| 4392910 |
Web aligning process and apparatus |
July 12, 1983 |
| An apparatus is disclosed for aligning at least two running webs with each other. It is characterized in that any lateral displacement is corrected at a position at a predetermined distance upstream of the displacement detection point or where excessive tension is not applied to the web |
| 4369905 |
Method and apparatus for guiding a corrugated fibreboard web |
January 25, 1983 |
| A method and an apparatus for guiding a corrugated fibreboard web in which the edges of a running web are detected and followed by a pair of sensors and a pair of web guides are controlled to move according to the width of the web to positions at an equal distance from a certain referenc |
| 4338881 |
System for controlling width and position of glue or the like applied to a roll |
July 13, 1982 |
| A control system for controlling the width and position of glue, ink or the like applied from a pan to a roll for applying the glue to a running web. Any out-of-trueness of the web or change in its width is detected by sensors and two dams mounted in the pan are moved to new suitable |
| 4328727 |
Slitter-scorer apparatus |
May 11, 1982 |
| A slitter-scorer apparatus comprises upper and lower slitter-scorer units which are disposed in one above the other relationship and are vertically movable respectively. The apparatus can immediately change slitting and scoring operations along the flowing direction of long and flat mate |
| 4319947 |
Single facer with automatic roll gap control system |
March 16, 1982 |
| An improved single facer is proposed which is provided with a control system for automatically controlling the gap between the lower corrugating roll and the glue roll and/or that between the former and the press roll according to the thickness of the material passing between them. The |
| 4266998 |
Method for producing double-faced corrugated boards |
May 12, 1981 |
| This method is a method producing double-faced corrugated boards which includes methods for changing single-faced corrugated boards. The methods comprise the steps of cutting a single-faced corrugated board which is fed from a single facer onto a bridge and delivered from the bridge into |
| 4249847 |
Apparatus for transporting boards |
February 10, 1981 |
| An apparatus for transporting boards comprising: a first conveyor adapted to transport a large number of boards in an upright position: a tripping device adapted to pivot every several or tens of the boards transported by the first conveyor to the delivery end thereof to lay the boards w |
| 4232859 |
Blank feeding apparatus |
November 11, 1980 |
| A blank feeding apparatus for feeding blanks one after another from a stack of blanks to the next processing rolls. Blanks are pushed by kickers attached to an endless conveyor. The motor for driving the conveyor is electronically controlled so that one cycle of kicker operation will be |
| 4224847 |
Tool positioning apparatus |
September 30, 1980 |
| A tool positioning apparatus which is adapted to position by numerical control a plurality of pairs of tools attached to a pair of parallel shafts so that longitudinal slits, scores or the like may be produced along a web of board such as corrugated board conveyed through between sai |
| 4177102 |
Single facer for manufacturing single-faced corrugated board |
December 4, 1979 |
| A single facer for manufacturing single-faced corrugated board having a first corrugating roll and a second corrugating roll meshing with the first corrugating roll to form a nip for receiving a sheet medium to corrugate the same, the second corrugating roll being provided with radial |
| 4169752 |
Process and apparatus for splicing web |
October 2, 1979 |
| A process and an apparatus for splicing a web of paper being continuously supplied without decelerating the machine speed and with a minimum of material loss.A new paper web is spliced to the old paper web with adhesive tape and the old paper is cut off just behind the spliced point by m |
| 4163185 |
Object locating apparatus |
July 31, 1979 |
| This invention relates to an object locating apparatus which can be used for locations of various objects. The apparatus comprises a laser device capable of projecting a laser beam which serves as a mark of a predetermined position of an object to be located, a mechanism for holding |
| 4104723 |
Method of controlling web cutting |
August 1, 1978 |
| A method for controlling the speed of a rotary cutter to cut a continuously ed web accurately into predetermined lengths. A desired cutting length and the circumference of the rotary cutter are preset. The web speed as detected is multiplied by a coefficient equal to the cutter circumfere |
| 4103786 |
Board piling-up apparatus |
August 1, 1978 |
| This invention relates to apparatus for piling up boards such as corrugated boards. More particularly, it relates to a board piling-up apparatus wherein boards, such as corrugated boards, which are individually fed lying flat or in the form of small bundles and which are erected by a han |
