US3038216A - Feed table for slivers - Google Patents

Feed table for slivers Download PDF

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Publication number
US3038216A
US3038216A US83430A US8343061A US3038216A US 3038216 A US3038216 A US 3038216A US 83430 A US83430 A US 83430A US 8343061 A US8343061 A US 8343061A US 3038216 A US3038216 A US 3038216A
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Prior art keywords
slivers
feed table
feed
sliver
slanted
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Expired - Lifetime
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US83430A
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Naegeli Werner
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Joh Jacob Rieter und Cie AG
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Joh Jacob Rieter und Cie AG
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/005Arrangements for feeding or conveying the slivers to the drafting machine

Definitions

  • the surface of the table supporting the slivers is laterally and downwardly slanted whereby the slivers are not only supported by the slanted table surface but each sliver is also supported by a sliver which is placed next to and laterally below the sliver which is already moving on the slanted surface.
  • FIG. 1 is a perspective view of a feed table according to the invention.
  • numeral 1 designates supports of a feed table 2 for feeding slivers to a drafting arrangement 3 having a cover 3.
  • the table has l'a horizontal top portion and laterally declining or downwardly ⁇ slanted lateral surface portions 4 whose width increases toward the drafting arrangement.
  • Pairs of superimposed feed rollers 5 are mounted on the lower marginal portion of the slanted lateral portions 4.
  • the lower feed roller of each pair is driven in the conventional manner.
  • the upper feed roller of each pair is swingably supported land rests on a sliver 7.
  • Each roller pair clamps a sliver, pulling it out of a can 6 and laying the sliver on the inclined surface portion 4 of the feed table slightly above the lower edge 8 of the inclined portion 4.
  • a guide 9 is mounted on the slanted portion of the feed table.
  • Each guide 9 presses a sliver received from the last feed roller pair preceding the guide against a sliver which has already been laid on the feed table by the second last preceding feed roller pair. Since the slivers previously laid on the feed table rest on the last incoming sliver the slivers are united and travel as a unit toward the drafting arrangement 3.
  • the end of the feed table facing the drafting arrangements which pull the slivers along the table, is provided with a surface l@ declining toward the drafting arrangements.
  • the surface l@ intersects the surface 4, forming a downwardly slanted edge 11 extending in forward and outward direction.
  • the edge 1l has a flattening effect on the slivers and forms a web suitable for being fed into the drafting arrangement.
  • An oblong feed table for feeding slivers to preparatory spinning machines, such as drafting arrangements, comprising a laterally declining surface portion having a lower longitudinal marginal portion, and a plurality of guide means placed in said marginal portion and spaced longitudinally of said feed table for individually laying slivers in juxtaposed position on said surface portion.
  • An oblong feed table as defined in claim l comprising a downwardly and forwardly slanted surface portion at the end of the feed table facing the drafting arrangements, said slanted surface portion forming an edge with the laterally declining surface portion.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Description

June 12, 1962 w. NAEGELI 3,038,216
FEED TABLE FOR SLIVERS Filed Jan. 18, 1961 IN V EN TOR. WSR/VEB VQ EGEL United States Patent 3,038,216 FEED TABLE FOR SLIVERS Werner Naegeli, Winterthur, Switzerland, assigner to Actiengesellschaft Joh. Jacob Bieter 8; Cie, Winterthur, Switzerland, a corporation of Switzerland Filed Jan. 18, 1961, Ser. No. 83,430 Claims priority, application Switzerland Jan. 2S, 1960 4 Claims. (Cl. l9-288) The present invention relates to la feed table for slivers as used in combination wi-th preparatory spinning machines to which a plurality of slivers 4are simultaneously fed.
When high speed drawing frames are fed from large cans and the slivers are individually guided and must be pulled a long way `on the feed table by the feed rollers of the drafting arrangement, breakage of the slivers occurs quite frequently. The cohesion, particularly of combed slivers, is not good enough to resist the sum of friction effects caused by the gliding `of the slivers on the feed table and faulty drawing or even breakages are unavoidable.
It is an object of the present invention to provide a feed table for slivers travelling from cans to a drafting arrangement which feed table is so designed as to substantially reduce the frictional resistance so that the tension of the slivers is considerably smaller than in conventional arrangements of this type. According to the invention the surface of the table supporting the slivers is laterally and downwardly slanted whereby the slivers are not only supported by the slanted table surface but each sliver is also supported by a sliver which is placed next to and laterally below the sliver which is already moving on the slanted surface. Due to the slanted table surface a gravity component of th-e slivers causes moving ltogether and cohering of the slivers so that weak portions of one sliver are Iassisted by the adjacent slivers and cannot cause faulty drafting or breakages.
The novel features which are considered characteristic of the invention are set forth with particularity in the appended claims. The invention itself, however, and additional objects and advantages thereof Will best be understood from the following description of an embodiment thereof when read in connection with the accompanying drawing the one FIGURE of which is a perspective view of a feed table according to the invention.
Referring more particularly to the drawing, numeral 1 designates supports of a feed table 2 for feeding slivers to a drafting arrangement 3 having a cover 3. The table has l'a horizontal top portion and laterally declining or downwardly `slanted lateral surface portions 4 whose width increases toward the drafting arrangement. Pairs of superimposed feed rollers 5 are mounted on the lower marginal portion of the slanted lateral portions 4. The lower feed roller of each pair is driven in the conventional manner. The upper feed roller of each pair is swingably supported land rests on a sliver 7. Each roller pair clamps a sliver, pulling it out of a can 6 and laying the sliver on the inclined surface portion 4 of the feed table slightly above the lower edge 8 of the inclined portion 4. In the neighborhood of each pair of feed rollers and at the end of the feed table which is next to the drafting arrangement 3, a guide 9 is mounted on the slanted portion of the feed table. Each guide 9 presses a sliver received from the last feed roller pair preceding the guide against a sliver which has already been laid on the feed table by the second last preceding feed roller pair. Since the slivers previously laid on the feed table rest on the last incoming sliver the slivers are united and travel as a unit toward the drafting arrangement 3. The end of the feed table facing the drafting arrangements which pull the slivers along the table, is provided with a surface l@ declining toward the drafting arrangements. The surface l@ intersects the surface 4, forming a downwardly slanted edge 11 extending in forward and outward direction.
The edge 1l has a flattening effect on the slivers and forms a web suitable for being fed into the drafting arrangement.
Experience has shown that an inclination of the inclined table surfaces of between 5 and 20 with respect to a horizontal plane is sucient to produce the desired effect when yfeeding any of the usual sliver materials to a drafting arrangement.
I claim:
l. An oblong feed table for feeding slivers to preparatory spinning machines, such as drafting arrangements, comprising a laterally declining surface portion having a lower longitudinal marginal portion, and a plurality of guide means placed in said marginal portion and spaced longitudinally of said feed table for individually laying slivers in juxtaposed position on said surface portion.
2. An oblong feed table as defined in claim 1 wherein said surface portion is plane and the angle of inclination of said surface portion with respect to a horizontal plane is between 5 and 20.
3. An oblong feed table as defined in claim 1 wherein the width of said surface portion increases toward the drafting arrangements for accommodating the increasing number of slivers.
4. An oblong feed table as defined in claim l comprising a downwardly and forwardly slanted surface portion at the end of the feed table facing the drafting arrangements, said slanted surface portion forming an edge with the laterally declining surface portion.
References Cited in the file of this patent FOREIGN PATENTS
US83430A 1960-01-25 1961-01-18 Feed table for slivers Expired - Lifetime US3038216A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3038216X 1960-01-25
FR848971A FR1277251A (en) 1960-01-25 1961-01-06 Fiber ribbon feeding table for spinning preparation machines

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US3038216A true US3038216A (en) 1962-06-12

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US83430A Expired - Lifetime US3038216A (en) 1960-01-25 1961-01-18 Feed table for slivers

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FR (1) FR1277251A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440690A (en) * 1966-11-03 1969-04-29 Tmm Research Ltd Means for feeding fibrous materials
US4577372A (en) * 1983-06-21 1986-03-25 Rieter Machine Works, Ltd. Drawing frame
US4875256A (en) * 1987-07-30 1989-10-24 Zinser Textilmaschinen Gmbh Method and apparatus for replacing empty sliver cans with full sliver cans in a draw frame

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB377865A (en) * 1931-11-11 1932-08-04 Mary Alice Milner Improvements in or connected with means for guiding slivers in derby doublers, sliver lap machines, and such like, used in the textile industry
GB660371A (en) * 1947-10-08 1951-11-07 Rieter Joh Jacob & Cie Ag Improved means for guiding a textile fibre-web between a drafting-arrangement and calender-rollers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB377865A (en) * 1931-11-11 1932-08-04 Mary Alice Milner Improvements in or connected with means for guiding slivers in derby doublers, sliver lap machines, and such like, used in the textile industry
GB660371A (en) * 1947-10-08 1951-11-07 Rieter Joh Jacob & Cie Ag Improved means for guiding a textile fibre-web between a drafting-arrangement and calender-rollers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440690A (en) * 1966-11-03 1969-04-29 Tmm Research Ltd Means for feeding fibrous materials
US4577372A (en) * 1983-06-21 1986-03-25 Rieter Machine Works, Ltd. Drawing frame
US4875256A (en) * 1987-07-30 1989-10-24 Zinser Textilmaschinen Gmbh Method and apparatus for replacing empty sliver cans with full sliver cans in a draw frame

Also Published As

Publication number Publication date
FR1277251A (en) 1961-11-24

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