1
Pekka Majaniemi: Extended nip press lubricating system for a paper machine. OY Tampella, Ladas & Parry, November 13, 1984: US04482430 (49 worldwide citation)

An extended nip press for a paper machine for removing water from a wet paper, cardboard or similar fibrous or porous web. The press comprises a rotating press roll and at least one stationary loading shoe as well as a band impermeable to a medium and movable between said press roll and loading shoe ...


2
Jukka A Lehtinen: Method of continuous drying of a paper or other porous web and a drying device for applying this method. Oy Tampella, Ladas & Parry, July 24, 1984: US04461095 (41 worldwide citation)

A method of continuous drying of a paper or other porous web by passing the web (3) by means of a drying felt or wire (4) between two moving, air-impermeable surface elements (1, 8) having good heat conducting properties, which elements enclose the web along its whole width. The surface element (1) ...


3
Jukka A Lehtinen: Method of drying a cardboard or a paper web and drying device for applying this method. Oy Tampella, September 12, 1978: US04112586 (32 worldwide citation)

A method of drying a cardboard or a paper web by passing the wet web supported by a drying band between two moving, nonpermeable surface elements having good heat conducting properties. The surface element contacting the web is subjected to heating and the surface element contacting the drying band ...


4
Esko Saarinen: Extended nip press with displaceable center of gravity for the supporting force. Oy Tampella, Ladas & Parry, December 15, 1987: US04713147 (29 worldwide citation)

An extended nip press for a paper machine for removing water from a wet paper, cardboard or similar fibrous or porous web. The press comprises a rotating press roll and at least one loading shoe, which is pressed against the press roll so as to form an extended press zone. The loading shoe may pivot ...


5
Pauli A T Koistinen, Risto J Hamalainen: Method for preliminary anchoring of a wire rope bolt. OY Tampella, Wood Dalton Phillips Mason & Rowe, October 21, 1986: US04617715 (28 worldwide citation)

The invention relates to a method and mechanism for preliminary anchoring of a wire rope bolt in a bore by means of friction. The object is to eliminate the need to use wooden wedges or to bend the strands of the rope backwards, procedures which are time-consuming. In accordance with the invention, ...


6
Erik A Nykopp: Sheet forming apparatus including edge seals for forming wires. Oy Tampella, Roylance Abrams Berdo & Farley, November 7, 1978: US04124441 (27 worldwide citation)

An apparatus for forming a fibrous sheet, which apparatus comprises a first and a second endless wire for accomplishing a forming zone between mutually converging wires; a feed box with lips forming an outlet opening for feeding fibre suspension into the gap of the forming zone between the wires, th ...


7
Antti I Nuuttila, Veikko J Pohjola: Method for continuous saccharification of cellulose of plant raw material. Oy Tampella, Roylance Abrams Berdo & Goodman, February 21, 1984: US04432805 (26 worldwide citation)

A method for continuous saccharification of plant raw material by feeding the raw material as such or prehydrolyzed and a dilute sulphuric acid solution into a flow reactor in order to hydrolyze the raw material under pressure and at a high temperature, discharging dry solids and liquid from the rea ...


8
Leo Hakkinen, Juha Vainio: Apparatus for handling sheets or the like. Oy Tampella, Nixon & Vanderhyde, April 5, 1988: US04735539 (25 worldwide citation)

The invention relates to an apparatus for handling sheets or the like. The apparatus comprises a bridge structure displacable on rails, an upper carriage displaceable on the bridge structure in a direction perpendicular to the rails, vertical beams attached to the upper carriage, and a carriage disp ...


9
Raimo Maatta: Device for treatment of wastewater by means of anaerobic fermentation. Oy Tampella, Biebel French & Nauman, September 23, 1986: US04613434 (24 worldwide citation)

The invention relates to a device for treatment of wastewater by means of an anaerobic fermentation, which comprises a closed tank 1 and therein elements 2, 10 for feeding wastewater to be treated into the tank, elements 5, 6 3 for removing treated water, gas and sludge from the tank, elements 4 for ...


10
Roger Nylund, Aulis Holmala: Procedure for controlling a rock drill and rock drill for carrying out the procedure. Oy Tampella, Haseltine Lake & Waters, July 27, 1976: US03971449 (24 worldwide citation)

An arrangement for controlling the drilling functions of a full profile rock drill in which the speed of rotation of the cutting head and the feed force of the cutting head are controlled so that the rate of penetration of the drill bit reaches its optimum rate as a function of the feed force. The f ...