Method and apparatus for introducing a roving into a textile mac

Details Method and apparatus for introducing a roving into a textile mac Method and apparatus for introducing a roving into a textile mac

1988-10-04

1990-05-08

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

19 025, 57 81, D01H 1304, D01H 1314

Patent

active

049227041

ABSTRACT:
According to the method, an end part of a roving is first introduced into the main drafting zone of a drafting frame of a textile machine after a reference point at a clamping device. Thereafter, a middle part of the roving is drawn laterally into the preliminary drafting zone solely by the tension of the main drafting zone. The apparatus comprises a gripper which is connected via a pivotable arm or a telescopic arm to a mobile or stationary robot which can cooperate either with a pusher, a spacer or a fixed slider.

REFERENCES:
patent: 3832839 (1974-09-01), McClure
patent: 4592114 (1986-06-01), Stahlecker
patent: 4630434 (1986-12-01), Hartsmanngruber et al.
patent: 4727713 (1988-03-01), Konig et al.

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