Method of forming a plurality of sheds and thereby a plurality of pieces of fabrics in a shuttleless loom

Claim 1

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually and continuously approaching each other warp yarn sub-group and converging ahead of a cloth fell but behind the take-up rolls; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.

Claim 2

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually and continuously approaching each other warp yarn sub-group and converging ahead of a cloth fell but behind the take-up rolls; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.

Claim 4

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell; placing the primary warp yarn group unwound from at least one warp beam on one primary back rest and dividing said unwound primary warp yarn group into said warp yarn sub-groups with secondary back rests less thaN the sheds by one in number, adjusting the tension of the primary warp yarn group and of the warp yarn sub-groups with the primary back rest and further adjusting the tension of the warp yarn sub-group with the secondary back rests; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.

Claim 5

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell; placing the primary warp yarn group unwound from at least one warp beam on one primary back rest and dividing said unwound primary warp yarn group into said warp yarn sub-groups with secondary back rests less thaN the sheds by one in number, adjusting the tension of the primary warp yarn group and of the warp yarn sub-groups with the primary back rest and further adjusting the tension of the warp yarn sub-group with the secondary back rests; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.

Claim 6

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell; placing the primary warp yarn group unwound from said at least one warp beam on one primary back rest and dividing said unwound primary warp yarn group into said warp yarn sub-groups with secondary back rests the same as the sheds in number, and adjusting the tension of the primary warp yarn group with the primary back rest, and adjusting the tension of the warp yarn sub-groups with both the primary and secondary back rests; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.

Claim 7

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell; placing the primary warp yarn group unwound from said at least one warp beam on one primary back rest and dividing said unwound primary warp yarn group into said warp yarn sub-groups with secondary back rests the same as the sheds in number, and adjusting the tension of the primary warp yarn group with the primary back rest, and adjusting the tension of the warp yarn sub-groups with both the primary and secondary back rests; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.

Claim 8

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell, the distance between cloth fells being in the range of 0 to 15 mm forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.

Claim 9

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell, the distance between cloth fells being in the range of 0 to 15 mm forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.

Claim 10

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed wherein said weft-inserting jet is a liquid and formed gray cloths are stuck together within 0 to 30 mm of the cloth fell by means of a cloth fell support and a liquid-removing tube.

Claim 11

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed wherein said weft-inserting jet is a liquid and formed gray cloths are stuck together within 0 to 30 mm of the cloth fell by means of a cloth fell support and a liquid-removing tube.

Claim 12

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed wherein formed gray cloths are stuck together with a cloth fell support; suCking a liquid sticking to the stuck gray cloths with a liquid-removing suction tube; leading the gray cloths to a press roller, a friction roller and a second press roller; and before the gray cloths are taken up, causing each gray cloth to come in contact with each slit of a fluid-removing tube having a plurality of slits to thereby remove the liquid sticking to each gray cloth.

Claim 13

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually approaching each other warp yarn sub-group and converging ahead of a cloth fell; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed wherein formed gray cloths are stuck together with a cloth fell support; suCking a liquid sticking to the stuck gray cloths with a liquid-removing suction tube; leading the gray cloths to a press roller, a friction roller and a second press roller; and before the gray cloths are taken up, causing each gray cloth to come in contact with each slit of a fluid-removing tube having a plurality of slits to thereby remove the liquid sticking to each gray cloth.

Claim 14

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually and continuously approaching each other warp yarn sub-group and converging ahead of a cloth fell but behind the take-up roll means wherein a plurality of eyelets of each heddle for forming a plurality of sheds is positioned such that each warp line passes through the corresponding eyelets of heddles when said sheds are closed and overlap with each corresponding warp line; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.

Claim 15

A method of forming a plurality of sheds and thereby weaving a plurality of fabrics in a shuttleless loom comprising dividing a primary warp yarn group unwound from at least one warp beam into warp yarn sub-groups arranged in a direction of shedding motion, the warp line of each warp yarn sub-group gradually and continuously approaching each other warp yarn sub-group and converging ahead of a cloth fell but behind the take-up roll means wherein a plurality of eyelets of each heddle for forming a plurality of sheds is positioned such that each warp line passes through the corresponding eyelets of heddles when said sheds are closed and overlap with each corresponding warp line; forming a shed for each warp yarn sub-group such that the adjacent warp yarn systems of sheds cross each other between a reed and a cloth fell at the time of maximum shedding; inserting a pick of weft into each shed by fluid jet; and beating up the pick into the cloth with a common reed.