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Friedrich Konig

Reinhard Konig

Alfons Traxler

Georg Konig

A centrifugal pot spinning process for spinning yarn of classical character is provided in which either in one stage a fully twisted yarn or in a first stage a partially twisted yarn is spun in a centrifuge (6) and removed from it and, in the case of the partially twisted yarn, the remaining twist is imparted to the yarn in a second stage upon removal while being wound up. A centrifuge (6), a drawing frame (1), a piecing mechanism (2), and a traversing thread guide tube (4) are used. The centrifuge (6) rotates in a space (7) under reduced pressure (pu). Normal air pressure (pn) prevails inside the centrifuge (6) and spinning is carried out under normal air pressure (pn) inside the centrifuge. The reduced pressure (pu) is adjusted in such a way that, during rotation of the centrifuge (6), essentially only the bearing friction of the centrifuge still occurs but the air friction of the outer wall of the centrifuge (6, 35, 45, 53) against the housing (5') is largely suppressed. A vacuum centrifuge (5) is positioned so as to pivot inside the housing (5'). The space (7) between the centrifuge (6) and the housing (5') can be placed under variable reduced pressure (pu). The reduced pressure is adjustable in such a way that, during rotation, essentially only the bearing friction of the centrifuge still occurs but the air friction of the outer wall of the centrifuge is largely suppressed.

Centrifugal spinning process and device

A vacuum centrifuge has a cylindrical centrifuge housing forming a vacuum chamber and a cylindrical centrifuge pot is coaxial with the vacuum chamber. An elongated hollow shaft extends externally and coaxially from the cylindrical centrifuge pot and forms a passage for an elongated thread carrier tube extending into the pot. At least one magnetic bearing and a motor surround the elongated hollow shaft. An annular wall connects a terminal end of the elongated hollow shaft to the cylindrical centrifuge pot and forms a boundary surface within the vacuum chamber in which the centrifuge pot is located.

Vaccum centrifuge with magnetic bearings and sealing method

A method of cleaning window furnishings while located in their place of use, in which the furnishings are pushed together to form a vertically hanging block and a wetting medium is circulated from above. A cleaning washing medium is thereafter circulated from above, followed by a rinsing liquid also from above and over the window furnishings. The furnishings are then dried, and surplus fluids are collected at a base of the furnishings. All procedures are carried out while the window furnishings are hanging vertically in their locations of normal use. The wetting medium, washing medium and the rinsing liquid flow downward due to gravity with uniform velocity and cover the furnishings uniformly.

Method for cleaning window furnishings

In a method of cleaning window furnishing portions such as curtain slats, the window furnishing material to be cleaned is left in the installed condition of hanging on a runner rail or track, pushed together to form a block. Washing-action medium and thereafter rinsing liquid are circulated from above over the window furnishing material which is then dried after the rinsing operation. The apparatus includes a washing device adapted to be hung on the runner rail and has a casing which in use encloses the window furnishing material. A nozzle assembly of the device is thus disposed above the window furnishing material, for washing-action medium and rinsing liquid to be pumped over same, and a receiving trough is arranged below the material to receive the liquid therefrom.

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Ettlingen, Germany

Friedrich Konig