Apparatus and method for forming coils of yarn and for heat setting the same

An apparatus for forming coils of yarn and for heat setting the same, the apparatus comprising:

• a coiler adapted to receive yarn from a yarn source and to form the yarn into a plurality of loops of a desired size, said coiler comprising a supporting frame, a pair of feed rolls mounted on said supporting frame and adapted for feeding yarn from a yarn source, a rotatable coiler tube positioned downstream from and cooperating with said feed rolls, said coiler tube being vertically positioned for facilitating the travel of yarn from said feed rolls to and through said coiler tube, said coiler tube comprising an angled tube having adjoining first and second portions, said first portion being positioned adjacent said feed rolls and extending vertically downward therefrom, said second portion being offset vertically from said first portion and also extending downwardly therefrom, a make-up guide tube assembly carried by said supporting frame and being positioned between said feed rolls and said coiler tube, said make-up guide tube assembly including a make-up guide tube having lower portions depending from said supporting frame, the upper end of said make-up guide tube being tapered so as to facilitate the positioning thereof closely adjacent lower portions of said feed rolls, and the lower end of said make-up guide tube being positioned within the confines of the first portion of said coiler tube, a first variable speed drive connected to said pair of feed rolls and adapted for rotating said pair of feed rolls at a predetermined speed, and a second variable speed drive connected to said coiler tube for rotating said coiler tube at a speed so as to form loops of yarn of a desired size;
• a conveyor positioned below said rotatable coiler tube for receiving loops of yarn thereon, said conveyor extending a predetermined distance from said coiler tube whereby rotatingly driving said rotatable coiler tube at a relatively slow speed responsive to the second variable speed drive connected thereto and driving said pair of feed rolls at a relatively fast speed responsive to said first variable speed drive connected thereto forms a clustered mass of relatively small loops of yarn on said conveyor by depositing loops of yarn onto said conveyor at successively closely spaced areas and whereby rotatingly driving said rotatable coiler tube at a relatively fast speed responsive to said second variable speed drive connected thereto forms relatively large loops of yarn on said conveyer with substantially no undulations therein by depositing loops of yarn onto said conveyor at successively closely spaced areas;
• and
• enclosed heating means positioned downstream from said coiler and receiving portions of said conveyor therein for heating the loops of yarn carried thereon so as to effect heat setting of the yarn.

An apparatus for forming coils of yarn and for heat setting the same, the apparatus comprising:

• a coiler positioned to receive yarn from a yarn source and to form the yarn into a plurality of loops of a desired size, said coiler comprising a supporting frame, said supporting frame including a horizontal plate and a vertical plate extending downwardly from said horizontal plate, a pair of feed rolls mounted on said horizontal plate and positioned for feeding yarn from a yarn source, a rotatable coiler tube positioned downstream from and cooperating with said feed rolls, said coiler tube being vertically positioned for facilitating the travel of yarn from said feed rolls to and through said coiler tube, said coiler tube comprising an angled tube having adjoining first and second portions, said first portion being positioned adjacent said feed rolls and extending vertically downward therefrom, said second portion being offset vertically from said first portion and also extending downwardly therefrom, a make-up guide tube assembly carried by said supporting frame and being positioned between said feed rolls and said coiler tube, said make-up guide tube assembly including a make-up guide tube having lower portions depending from said supporting frame, the upper end of said make-up guide tube being tapered so as to facilitate the positioning thereof closely adjacent lower portions of said feed rolls, and the lower end of said make-up guide tube being positioned within the confines of the first portion of said coiler tube, a first variable speed drive mounted on said horizontal plate of said supporting frame and connected to said pair of feed rolls, said first variable speed drive being positioned for rotating the pair of feed rolls at a predetermined speed, and a second variable speed drive mounted on said vertical plate of said supporting frame and connected to said coiler tube, said second variable speed drive being positioned for rotating the same at a speed so as to form loops of yarn of a desired size;
• a conveyor positioned below said rotatable coiler tube for receiving loops of yarn thereon, said conveyor extending a predetermined distance from said coiler tube whereby rotatingly driving said rotatable coiler tube at a relatively slow speed responsive to said second variable speed drive connected thereto and driving said pair of feed rolls at a relatively fast speed responsive to said first variable speed drive connected thereto forms a clustered mass of relatively small loops of yarn on said conveyor by depositing loops of yarn onto said conveyor at successively closely spaced areas and whereby rotatingly driving said rotatable coiler tube at a relatively fast speed responsive to said second variable speed drive connected thereto forms relatively large loops of yarn on said conveyer with substantially no undulations therein by depositing loops of yarn onto said conveyor at successively closely spaced areas;
• and
• a heating oven positioned downstream from said coiler and receiving portions of said conveyor therein for heating the loops of yarn carried thereon so as to effect heat setting of the yarn.

An apparatus for forming loops of yarn and for heat setting the same, the apparatus comprising:

• a series of coilers positioned in a generally side-by-side arrangement and adapted for forming loops of yarn;
• a plurality of yarn supply packages, each of said yarn supply packages being positioned to feed yarn to a respective one of said series of coilers;
• a series of conveyors extending generally parallel to each other, each of said conveyors being positioned below a respective coiler and extending forwardly a predetermined distance therefrom, and further being positioned for receiving loops of yarn thereon;
• enclosed heating means positioned downstream from said series of coilers and receiving portions of each of said series of conveyors therein for heating the loops of yarns carried thereon so as to effect heat setting of the yarns;
• and
• wherein said series of coilers includes a common supporting frame having a horizontal plate and a plurality of vertical plates extending downwardly therefrom, each of said coilers of said series being adapted to receive yarn from one of said yarn supply packages and to form the yarn into a plurality of loops of a desired size, each coiler including a pair of feed rolls mounted on said horizontal plate of said supporting frame and adapted for feeding yarn from one of said yarn supply packages, each coiler also including a rotatable coiler tube positioned downstream from and cooperating with said feed rolls, each of said coiler tubes being vertically positioned for facilitating the travel of yarn from said feed rolls to and through said coiler tube, a first variable speed drive connected to each of said pairs of feed rolls for rotating said pairs of feed rolls at a predetermined speed, and a second variable speed drive connected to each of said coiler tubes for rotating said coiler tubes at a speed whereby rotatingly driving said rotatable coiler tubes at a relatively slow speed responsive to said second variable speed drives connected thereto and driving said pairs of feed rolls at a relatively fast speed responsive to said first variable speed drive connected thereto forms a clustered mass of relatively small loops of yarns on said conveyors by depositing loops of yarn onto said conveyors at successively closely spaced areas and whereby rotatingly driving said rotatable coiler tubes at a relatively fast speed responsive to said second variable speed drives connected thereto forms relatively large loops of yarns on said conveyers with substantially no undulations therein by depositing loops of yarns onto said conveyors at successively closely spaced areas.

An apparatus for forming coils of yarn and for heat setting the same, the apparatus comprising:

• a series of coilers positioned in a generally side-by-side arrangement;
• a plurality of yarn supply packages, each of said yarn supply packages being positioned to feed yarn to a respective one of said series of coilers;
• a series of conveyors extending generally parallel to each other, each of said conveyors being positioned below a respective coiler and extending forwardly a predetermined distance therefrom, and further being positioned for receiving loops of yarn thereon;
• enclosed heating means positioned downstream from said series of coilers and receiving portions of each of said series of conveyors therein for heating the loops of yarns carried thereon so as to effect heat setting of the yarns;
• and
• wherein each of said coilers of said series being adapted to receive yarn from one of said yarn supply packages into a plurality of loops of a desired size, each coiler including a pair of feed rolls mounted on said horizontal plate of said supporting frame and adapted for feeding yarn from one of said yarn supply packages, each coiler also including a rotatable coiler tube positioned downstream from and cooperating with said feed rolls, each of said coiler tubes being vertically positioned for facilitating the travel of yarn from said feed rolls to and through said coiler tube, said coiler tube comprising an angled tube having adjoining first and second portions, said first portion being positioned adjacent said feed rolls and extending vertically downward therefrom, said second portion being offset vertically from said first portion and also extending downwardly therefrom, a make-up guide tube assembly carried by said horizontal plate and being positioned between said feed rolls and said coiler tube, said make-up guide tube assembly including a make-up guide tube having lower portions depending from said horizontal plate, the upper end of said make-up guide tube being tapered so as to facilitate the positioning thereof closely adjacent lower portions of said feed rolls, and the lower end of said make-up guide tube being positioned within the confines of the first portion of said coiler tube, a first variable speed drive connected to each of said pairs of feed rolls for rotating said pairs of feed rolls at a predetermined speed, and a second variable speed drive connected to each of said coiler tubes for rotating the same at a speed whereby rotatingly driving said rotatable coiler tubes at a relatively slow speed responsive to said second variable speed drives connected thereto and driving said pairs of feed rolls at a relatively fast speed responsive to said first variable speed drive connected thereto forms a clustered mass of relatively small loops of yarns on said conveyors by depositing loops of yarn onto said conveyors at successively closely spaced areas and whereby rotatingly driving said rotatable coiler tubes at a relatively fast speed responsive to said second variable speed drives connected thereto forms relatively large loops of yarns on said conveyers with substantially no undulations therein by depositing loops of yarns onto said conveyors at successively closely spaced areas.

A coiler for receiving yarn from a yarn source and for forming loops of yarn of a desired size, the coiler comprising:

• a supporting frame;
• a pair of feed rolls mounted on said supporting frame for feeding yarn from a yarn source;
• a rotatable coiler tube positioned downstream from and cooperating with said feed rolls, said coiler tube being vertically positioned for facilitating the travel of yarn from said feed rolls to and through said coiler tube;
• a first variable speed drive connected to said pair of feed rolls for rotating said pair of feed rolls at a predetermined speed;
• and
• a second variable speed drive connected to said coiler tube for rotating said coiler tube at a speed so as to form loops of yarn of a desired size whereby rotatingly driving said rotatable coiler tube at a relatively slow speed responsive to said second variable speed drive connected thereto and driving said pair of feed rolls at a relatively fast speed responsive to said first variable speed drive connected thereto forms a clustered mass of relatively small loops of yarn at successively closely spaced areas and whereby rotatingly driving said rotatable coiler tube at a relatively fast speed responsive to said second variable speed drive connected thereto forms relatively large loops of yarn with substantially no undulations therein at successively closely spaced areas.

A coiler for receiving yarn from a yarn source and for forming loops of yarn of a desired size, the coiler comprising:

• a supporting frame;
• a pair of feed rolls mounted on said supporting frame for feeding yarn from a yarn source;
• a rotatable coiler tube positioned downstream from and cooperating with said feed rolls, said coiler tube being vertically positioned for facilitating the travel of yarn from said feed rolls to and through said coiler tube, said coiler tube comprising an angled tube having adjoining first and second portions, said first portion being positioned adjacent said feed rolls and extending vertically downward therefrom, said second portion being offset vertically from said first portion and also extending downwardly therefrom;
• a make-up guide tube assembly carried by said supporting frame and being positioned between said feed rolls and said coiler tube, said make-up guide tube assembly including a make-up guide tube having lower portions depending from said supporting frame, the upper end of said make-up guide tube being tapered so as to facilitate the positioning thereof closely adjacent lower portions of said feed rolls, and the lower end of said make-up guide tube being positioned within the confines of the first portion of said coiler tube;
• a first variable speed drive connected to said pair of feed rolls for rotating said pair of feed rolls at a predetermined speed;
• and
• a second variable speed drive connected to said coiler tube for rotating said coiler tube at a speed whereby rotatingly driving said rotatable coiler tube at a relatively slow speed responsive to said second variable speed drive connected thereto and driving said pair of feed rolls at a relatively fast speed responsive to said first variable speed drive connected thereto forms a clustered mass of relatively small loops of yarn at successively closely spaced areas and whereby rotatingly driving said rotatable coiler tube at a relatively fast speed responsive to the second variable speed drive connected thereto forms relatively large loops of yarn with substantially no undulations therein at successively closely spaced areas.

A method of forming loops of yarn on a moving conveyor in preparation for heat setting the yarn to obtain a desired pattern of undulations in the yarn, the method comprising the steps of:

• providing a first variable speed drive connected to a pair of feed rolls;
• providing a second variable speed drive connected to a rotatable coiler tube;
• and
• rotatingly driving the rotatable coiler tube at a relatively slow speed responsive to the second variable speed drive connected thereto and rotatingly driving the pair of feed rolls at a relatively fast speed responsive to the first variable speed drive connected thereto so as to form a clustered mass of relatively small loops of yarn on the moving conveyor by impingingly depositing small loops of the yarn onto the moving conveyor in overlapping relation.

A method of forming loops of yarn deposited on a moving conveyor in preparation for heat setting to obtain a desired pattern of undulations, the method comprising the steps of:

• providing a first variable speed drive connected to a pair of feed rolls;
• providing a second variable speed drive connected to a rotatable coiler tube rotatingly driving the rotatable coiler tube at a relatively slow speed responsive to the second variable speed drive connected thereto and correspondingly driving the pair of feed rolls at a relatively fast speed responsive to the first variable speed drive connected thereto so as to form a clustered mass of relatively small loops of yarn on the moving conveyor by depositing loops of yarn onto the moving conveyor at successively closely spaced areas;
• and
• rotatingly driving the rotatable coiler tube at a relatively fast speed responsive to the second variable speed drive connected so as to form relatively large loops of yarn on the moving conveyer with substantially no undulations therein by depositing loops of yarn onto the moving conveyor at successively closely spaced areas.

An apparatus for forming coils of yarn and for heat setting the same, the apparatus comprising:

• a coiler positioned to receive yarn from a yarn source and to form the yarn into a plurality of loops of a desired size, said coiler comprising a supporting frame, a pair of feed rolls mounted on said supporting frame and adapted for feeding yarn from a yarn source, a rotatable coiler tube positioned downstream from and cooperating with said feed rolls, said coiler tube being vertically positioned for facilitating the travel of yarn from said feed rolls to and through said coiler tube, a make-up guide tube assembly carried by said supporting frame and being positioned between said feed rolls and said coiler tube, said make-up guide tube assembly including a make-up guide tube having lower portions depending from said supporting frame, the upper end of said make-up guide tube being tapered so as to facilitate the positioning thereof closely adjacent lower portions of said feed rolls, and the lower end of said make-up guide tube being positioned within the confines of the upper end of said coiler tube, said make-up guide tube assembly further including adjusting means carried by said make-up guide tube for adjustably positioning said tapered upper end thereof closely adjacent lower portions of said feed rolls a first variable speed drive connected to said pair of feed rolls for rotating said pair of feed rolls at a predetermined speed, and a second variable speed drive connected to said coiler tube for rotating said coiler tube at a speed so as to form loops of yarn of a desired size;
• a conveyor positioned below said rotatable coiler tube for receiving loops of yarn thereon, said conveyor extending a predetermined distance from said coiler tube;
• and
• enclosed heating means positioned downstream from said coiler and receiving portions of said conveyor therein for heating the loops of yarn carried thereon so as to effect heat setting of the yarn.

An apparatus for forming loops of yarn and for heat setting the same, the apparatus comprising:

• a series of coilers positioned in a generally side-by-side arrangement and adapted for forming loops of yarn;
• a plurality of yarn supply packages, each of said yarn supply packages being positioned to feed yarn to a respective one of said series of coilers;
• a series of conveyors extending generally parallel to each other, each of said conveyors being positioned below a respective coiler and extending forwardly a predetermined distance therefrom for receiving loops of yarn thereon;
• enclosed heating means positioned downstream from said series of coilers and receiving portions of each of said series of conveyors therein for heating the loops of yarns carried thereon so as to effect heat setting of the yarns;
• and
• wherein said series of coilers includes a common supporting frame having a horizontal plate and a plurality of vertical plates extending downwardly therefrom, each of said coilers of said series being positioned to receive yarn from one of said yarn supply packages and to form the yarn into a plurality of loops of a desired size, each coiler including a pair of feed rolls mounted on said horizontal plate of said supporting frame for feeding yarn from one of said yarn supply packages, each coiler also including a rotatable coiler tube positioned downstream from and cooperating with said feed rolls, each of said coiler tubes being vertically positioned for facilitating the travel of yarn from said feed rolls to and through said coiler tube, a make-up guide tube assembly carried by said horizontal plate of said supporting frame and being positioned between said feed rolls and said coiler tube, each of said make-up guide tube assemblies including a make-up guide tube having lower portions depending from said horizontal plate, the upper end of said make-up guide tube being tapered so as to facilitate the positioning thereof closely adjacent lower portions of said feed rolls, and the lower end of said make-up guide tube being positioned within the confines of the upper end of said coiler tube, said make-up guide tube assembly of each coiler further including adjusting means carried by said make-up guide tube for adjustably positioning said tapered upper end thereof closely adjacent lower portions of said feed rolls, a first variable speed drive connected to each of said pairs of feed rolls for rotating said pairs of feed rolls at a predetermined speed, and a second variable speed drive connected to each of said coiler tubes for rotating said coiler tubes at a speed so as to form loops of yarn of a desired size.

A coiler for receiving yarn from a yarn source and for forming loops of yarn of a desired size, the coiler comprising:

• a supporting frame;
• a pair of feed rolls mounted on said supporting frame for feeding yarn from a yarn source;
• a rotatable coiler tube positioned downstream from and cooperating with said feed rolls, said coiler tube being vertically positioned for facilitating the travel of yarn from said feed rolls to and through said coiler tube;
• a make-up guide tube assembly carried by said supporting frame and being positioned between said feed rolls and said coiler tube, said make-up guide tube assembly including a make-up guide tube having lower portions depending from said supporting frame, the upper end of said make-up guide tube being tapered so as to facilitate the positioning thereof closely adjacent lower portions of said feed rolls, and the lower end of said make-up guide tube being positioned within the confines of the upper end of said coiler tube, said make-up guide tube assembly further including adjusting means carried by said make-up guide tube for adjustably positioning said tapered upper end thereof closely adjacent lower portions of said feed rolls;
• a first variable speed drive connected to said pair of feed rolls for rotating said pair of feed rolls at a predetermined speed;
• and
• a second variable speed drive connected to said coiler tube for rotating said coiler tube at a speed so as to form loops of yarn of a desired size.