Title:
END PART SHAPED UP STRUCTURE FOR SLINGING WORK APPARATUS
Document Type and Number:
Japanese Patent JP3220742
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent a worker from being hurt during the work by forming a joint part by means of knitting-in and the like in the terminal part of a wire rope in which an eye is formed and covering the joint part by means of not less than two coatings of heat contraction tubes colored in different colors.
SOLUTION: The outer circumference part of a joint part 3 for a wire rope 1 is covered by means of the first heat contraction tube 4, and the outer circumference part of the first heat contraction tube 4 is covered by means of the second heat contraction tube 5. The first heat contraction tube 4 is formed of a tube colored in red, while the second heat contraction tube 5 is formed of a tube colored in black. In this way, the first heat contraction tube 4, which is colored in red and is arranged on the inside, is exposed to the outside when the second heat contraction tube 5 on the outside is broken, so that the damaged condition can be recognized visually. In the ordinary operation, the worker can be prevented from being hurt as the joint part 3 is covered by means of the first and the second heat contraction tubes 4, 5.
Inventors:
Isamu Oyamada
Application Number:
JP1681396A
Publication Date:
October 22, 2001
Filing Date:
February 01, 1996
Export Citation:
Assignee:
Toko Material Co., Ltd.
International Classes:
B66C1/12; F16G11/02; (IPC1-7): B66C1/12; F16G11/02
Domestic Patent References:
| JP7285778A | ||||
| JP62144281U |
Attorney, Agent or Firm:
Hiroo Ohtsu