Back to results
US 11,447,894 B2Granted
Apparatus with particle- or fiber-making device and an endless belt
AssigneeReifenhaeuser GmbH & Co. KG Maschinenfabrik
InventorsPeter Eilers, Sven Sanden, Tobias Inderfurth
Life of this patent
Estimating the term…
Abstract
An apparatus has a particle and/or fiber-making device and a foraminous endless belt extending in a longitudinal travel direction. A pair of horizontally spaced end rollers between which the belt is stretched horizontally receive fibers or particles from the device. A rotatable support roller between the end rollers directly engages and supports the belt, extends a full width of the belt, and has a diameter of less than 200 mm.
Claims18
An apparatus comprising:
- a spinneret or melt-blown nozzle emitting continuous filaments;
- a foraminous endless belt;
- a pair of horizontally spaced end rollers between which the belt is stretched horizontally in a longitudinal travel direction so as to receive the filaments from the nozzle;
- two rotatable and cylindrically tubular support rollers between the end rollers, supporting the belt, each having a wall thickness between 3 mm and 30 mm, each extending a full width of the belt, spaced horizontally apart by at least 1700 mm, each having opposite outer ends, and each having a diameter of less than 200 mm;
- respective fixed journal pins each engaging into a respective one of the ends of the support rollers;
- and
- respective roller bearings between each of the journal pins and the respective end of the respective support roller and the respective journal pin and each having an outer race and an inner race;
- a respective outer seal ring at each end between the respective support roller and the respective outer race;
- and
- a respective inner seal ring at each end between the respective pin and the respective inner race.
7 more elements
Dependencies are inferred from the claim text.