Rotor cup for an open-end spinning device
AssigneeMaschinenfabrik Rieter AG
InventorPaul Hoersch
Life of this patent
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Abstract
A rotor cup for an open-end spinning device comprises a supporting base body which is provided with an insert. The insert comprises the fiber guiding surfaces, namely a fiber sliding surface and a fiber collecting groove. The insert is centered radially in the base body and is supported axially with a stopping face at the base body and crimped therein.
Claims16
Rotor cup for an open-end spinning device, comprising:
- a supporting base body, which is provided with an insert comprising a fiber guiding surface and a fiber collecting groove, which insert is radially centered in the base body and axially supported thereon with a stopping face, wherein the insert is crimped into the base body.
A process for producing a rotor cup for an open-end spinning device, comprising a supporting base body, which is provided with an insert comprising a fiber guiding surface and a fiber collecting groove, which insert is radially centered in the base body, and axially supported thereon with a stopping face,
- said process comprising:
- providing a semi-finished part from plastically formable material, preceding a base body to be formed, and having a pot-shaped take-up portion having an open face,
- inserting a finished insert into the semi-finished part, and
- subsequently affixing the insert in the semi-finished part by crimping over a front edge of the take-up portion thereby forming the base body.
Dependencies are inferred from the claim text.