Title: Feed roller for feeding fibers to a combing roller in an open end spinning machine

Abstract: A feed roller for feeding fibers to a combing roller in an open end spinning machine. The feed roller has a plurality of circumferential grooves in the peripherial surface thereof. The grooves can extend perpendicularly to the longitudinal axis of the feed roller, or can be slightly inclined relative to a plane perpendicular to the longitudinal axis of the feed roller.

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Inventors: Morikawa, Takashi (Amagasaki, JA)
Kihara, Hidetoshi (Hirakata, JA)
Urifu, Tohru (Itami, JA)
Takahashi, Hisateru (Fukui, JA)

Application Number: 488197
Filing Date: 1974-07-12
Publication_date: 1976-08-17
Assignee: Daiwa Boseki Kabushiki Kaisha (Osaka, JA); Kabushiki Kaisha Toyoda Jidoshokki Seisakusho (Kariya, JA)
Primary Class(es): 57/412
Other Classes:
US Patent Ref:

3360918	Jan, 1968	Doublebsky et al.	57/58.
3439488	Apr, 1969	Bucil et al.	57/58.
3487626	Jan, 1970	Rajnoha et al.	57/58.
3571859	Mar, 1971	Doublebsky et al.	57/58.
3626685	Dec, 1971	Constantakis	57/90.
3695022	Oct, 1972	Landwehrkamp	57/58.
3826071	Jul, 1974	Grau	57/58.
3828539	Aug, 1974	Croasdale	57/58.
3834145	Sep, 1974	Ellingham	57/58.

Other Refs: 702,713

Jan, 1954	UK

Primary Examiner: Watkins, Donald E.
Assistant Examiner:
Attorney: Wenderoth, Lind & Ponack