Title:
BOBBIN
Document Type and Number:
WIPO Patent Application WO/2019/102623
Kind Code:
A1
Abstract:
Provided is a bobbin that can prevent occurrences of broken end. A bobbin 1 comprises a plurality of annular protrusions 5 having a trapezoidal cross section along the circumferential direction of the periphery of a cylinder 3 for winding thread. The height h of an annular protrusion 5 is 20 to 200 μm; an interval d1, which is the distance between centers of adjacent annular protrusions, is in the range of 100 to 9400 μm; and the ratio d1/h of the interval d1, which is the distance between centers of adjacent annular protrusions 5, 5 to the height h of an annular protrusion 5 is 3.4 to 75.0.
Inventors:
TODA MAKOTO (JP)
WADA MASANORI (JP)
WADA MASANORI (JP)
Application Number:
PCT/JP2017/042459
Publication Date:
May 31, 2019
Filing Date:
November 27, 2017
Export Citation:
Assignee:
NITTO BOSEKI CO LTD (JP)
International Classes:
B65H75/26; B65H55/00
Foreign References:
| US4596366A | 1986-06-24 | |||
| JPH0715663U | 1995-03-17 | |||
| JP2003160277A | 2003-06-03 | |||
| JPS5430416Y2 | 1979-09-25 | |||
| JPS5842359Y2 | 1983-09-26 | |||
| US3889899A | 1975-06-17 |
Attorney, Agent or Firm:
SATO & ASSOCIATES (JP)
Download PDF:
Previous Patent: CONNECTOR
Next Patent: HOMOMORPHIC INFERENCE DEVICE, HOMOMORPHIC INFERENCE METHOD, HOMOMORPHIC INFERENCE PROGRAM, AND ANONY...
Next Patent: HOMOMORPHIC INFERENCE DEVICE, HOMOMORPHIC INFERENCE METHOD, HOMOMORPHIC INFERENCE PROGRAM, AND ANONY...