Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7264693 | Apparatus for leading a web threading tail over an empty space An apparatus for leading a web threading tail over an empty space formed between two surfaces, between which the apparatus (10) is arranged. The apparatus (10) includes a belt loop (28) permeable by air, which is supported by turnover rolls (... | 09/04/2007 |
| 6998022 | Paper machine and press section thereof A soft crepe paper machine comprises a wet section with a press section having a press defined by first and second press elements forming a press nip through which a press felt runs with a paper web. A suction roll is arranged in the loop of the press felt before th... | 02/14/2006 |
| 6616810 | Device for removing water from a fibrous material strip A device for dewatering a pulp web having a dewatering section comprising top and bottom wires forming a wedge-shaped dewatering zone which can be adjusted and/or pressure-loaded at the downstream end, and with a pair of press rolls mounted at the end of ... | 09/09/2003 |
| 5968319 | Dual external suction boxes for suction roll for a paper machine Suction roll for a paper machine for dewatering a material web guided on transport belt in a web run direction. The suction roll includes a roll jacket over which the transport belt is guided, a first, external suction box that partially encompasses the s... | 10/19/1999 |
| 5470471 | Anti-rewet deck for press rolls An anti rewet deck is provided for press rolls used to increase consistency of fibrous pulp slurry from approximately 4 percent up to about 30 to 50 percent. This is accomplished by biasing the location of the drainage holes in the roll shell to the forwa... | 11/28/1995 |
| 4880501 | Press cover for a press for dewatering web material An elastically deformable press cover of a press for dewatering web material, in particular of a dewatering press for paper making machines, or the like. The press cover surrounds a support and is an endless belt. At its outside, which faces toward the we... | 11/14/1989 |
| 4755260 | Method for producing felt for paper making A papermaker's felt having an elongated base fabric, at least one batt layer, and means to interconnect the opposite longitudinal ends of the base fabric to make an endless felt. The endless felt is made by providing seaming loops on opposite longitudinal... | 07/05/1988 |
| 4541896 | Suction box for dehydrating paper webs A suction box coordinated with a dandy roll and serving the dehydration of paper webs features on its ends respective deckle slides wherein each deckle slide is of a design such that it elastically yields to the peripheral face of the dandy roll. Each dec... | 09/17/1985 |
| 4306934 | Method and apparatus for forming paper The wet end of a fourdrinier paper machine includes a transversely disposed roll beneath the wire. The roll is shaped and mounted for rotation at a speed which is different from the speed of the wire to create pulses of negative pressure beneath the wire ... | 12/22/1981 |
| 4172759 | Paper-machine structure and method for subjecting a web to suction In a paper-manufacturing machine a web is subjected to suction by placing a space between the web and a suction roll lapped thereby in communication with a region of substantially less than atmospheric pressure which is maintained at a part of the suction... | 10/30/1979 |
| 4067770 | Conditioner box guides Felt belts normally used in paper making are conditioned after the newly formed paper is removed, by passing the belts over a narrow slot in a box under vacuum which extracts moisture and/or contaminants so that the belt is ready for reuse. Holders compos... | 01/10/1978 |
