| Patent Number |
Title Of Patent |
Date Issued |
| 5011575 |
Inclined multiplyformer |
April 30, 1991 |
| A papermaking machine including the combination of an endless moving screen having an upwardly-inclined run, a primary open headbox for supplying a moving stream of a primary liquid slurry into contact with the screen for forming a first sheet-like structure on the screen, the primary he |
| 4980027 |
Vari-flow headbox with large and small flow inlet systems |
December 25, 1990 |
| A stock delivery system is provided having a pair of inlet systems (one for large flow and one for small flow) selectively pivotally swung into operating position for charging a slurry through a perforated plate and into the following flow passage and slice which includes adjustments for |
| 4922776 |
Variable width splitter |
May 8, 1990 |
| A dry end tail cutter for a papermaking machine comprises a slotted housing for accommodating the traverse of a cutter in a cross machine direction relative to the machine. A drive motor mounted on the housing drives a slot closing band around a pair of opposed pulley wheels. The slot cl |
| 4675077 |
Adjustable means for profile correction for a headbox slice |
June 23, 1987 |
| At the slice region of a headbox of a papermaking machine, an upper lip is extended across the machine width above the area where the stock suspension is charged onto the forming wire. To the lip is secured a profiling member with a portion thereof being extendable into the throat of |
| 4561937 |
Apparatus for trimming the edge of a web during formation using a drainage interrupting mask |
December 31, 1985 |
| In a papermaking machine, a drainage interrupting mask of a certain width is disposed between a continuously moving endless Fourdrinier wire and respective suction box therebelow for interrupting web formation through the said certain width and along the length of the forming web and |
| 4547266 |
Apparatus for providing selectively differentiated vacuum across a papermaking machine width |
October 15, 1985 |
| Mechanism for automatically controlling and maintaining a selectively differentiated vacuum pressure in a vacuum head accommodating to the transverse width of a moving web passing relative thereto involving means for supplying air to the vacuum head at spaced points along the width and |
| 4512226 |
Slitting apparatus and method |
April 23, 1985 |
| Apparatus for slitting the edges of a wet web as it leaves the forming machine to allow a web of a desired width includes a rotatable perforated tube over which the web is passed, a perforated tube holder adjustably encapsulating each opposite end of the tube and circumscribed by a h |
| 4427722 |
Apparatus for applying a controlled layer of a saturant or a coating via a free-falling vertical |
January 24, 1984 |
| Apparatus for coating a travelling web with at least one layer of a liquid coating composition, such as a binder, as the web is moved along a path through a coating zone by way of a formation at the coating zone of a free-falling vertical curtain which extends transversely of the path of |
| 4167441 |
Papermaking machine |
September 11, 1979 |
| A two-wire papermaking system for the formation of paper from paper slurry includes a first section where the slurry is maintained under pressure in a condition of minimum pond height under the guidance of a looped lower (bottom) web carrying wire having a single run over a progressive s |
