Sliver control drafting cradle

Details Sliver control drafting cradle Sliver control drafting cradle

1988-08-30

1990-03-13

Schroeder, Werner H.

Textiles: fiber preparation

Working

Drafting

D01H 586, D01H 588

Patent

active

049073184

ABSTRACT:
An apron drafting system (A) is disclosed which includes upper and lower drafting aprons (10, 12) between which a sliver (S) is delivered. An upper fiber control plate (20) and a lower fiber control plate (22) contain the fiber contacting apron runs (10a, 12a) in fiber contacting relation by preventing loss of fiber control, particularly in the case of large fiber tuft deliveries. Opposing concave surfaces (20a, 22a) contain the inward deflections of the apron within a prescribed fiber control range. Preferably, side plates (30, 32) of the drafting system are transparent to provide a window through which fiber delivery may be detected. A sliver guide (52) is mounted on a removable shelf (50) so that accumulation of sliver between a nip (56) of top and bottom apron rolls (14, 18) does not break the sliver guide but pushes it rearward for disengagement.

REFERENCES:
patent: 2402356 (1946-06-01), Bacon et al.
patent: 3618172 (1971-11-01), Crenshaw
patent: 4274179 (1981-06-01), Swanson

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