Part-I - Controller General of Patents Designs and Trademarks

(12) PATENT APPLICATION PUBLICATION (21) Application No.15/CHE/2012 A
(19) INDIA
(22) Date of filing of Application :02/01/2012 (43) Publication Date : 21/06/2013
(54) Title of the invention : WARP FEEDING METHOD AND WARP FEEDING DEVICE IN LOOM
(51) International classification :D03D (71)Name of Applicant :
(31) Priority Document No
:2011- 1)TSUDAKOMA KOGYO KABUSHIKI KAISHA
010858 Address of Applicant :18-18, NOMACHI 5-CHOME,
(32) Priority Date :21/01/2011 KANAZAWA-SHI, ISHIKAWA-KEN 921-8650 Japan
(33) Name of priority country :Japan (72)Name of Inventor :
(86) International Application No
Filing Date
:NA
:NA
1)ITOU, NAOYUKI
2)TANIDA, NOBUO
(87) International Publication No : NA
(61) Patent of Addition to Application Number
Filing Date
:NA
:NA
(62) Divisional to Application Number
Filing Date
:NA
:NA
(57) Abstract :
A warp feeding method in a loom in which a let-off device (5) and a take-up device (8) have a let-off motor (5c) and a take-up
motor (8c) as driving sources, respectively, is provided. The let-off motor (5c) and the take-up motor (8c) are independent of a
main driving motor of the loom. The method includes the steps of performing a warp feeding operation by driving the let-off
motor (5c) and the take-up motor (8c) while the main driving motor is stopped; during the warp feeding operation, detecting a
tension of a warp; comparing a warp tension value that is based on the detection with a previously set reference value of the
tension of the warp; and if the warp tension value is not the reference value, performing tension control for returning the tension
of the warp to the reference value in accordance with a previously set control mode in which the let-off motor (5c) and the take-up
motor (8c) are control objects.
No. of Pages : 46 No. of Claims : 5
The Patent Office Journal 21/06/2013 13808