Title:
TIP HOSE FOR PLACING READY-MIXED CONCRETE AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2021167504
Kind Code:
A
Abstract:
To provide a tip hose for placing ready-mixed concrete which is more improved by making the cross-section of the hose have a flat shape effective for preventing the separation of a ready-mixed concrete material and preventing the cost from being increased by reexamination including structural review.SOLUTION: A tip hose for placing ready-mixed concrete includes a hose body 1 made of a flexible material, a spiral steel cord 3 is embedded and arranged in the middle part of the thickness of the hose body 1, and a reinforcing hose part 1H in which the steel cord 3 is embedded and arranged in the hose body 1 is constituted so that its cross-section is flat.SELECTED DRAWING: Figure 1
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Inventors:
ASAZU SHINGO
Application Number:
JP2020070307A
Publication Date:
October 21, 2021
Filing Date:
April 09, 2020
Export Citation:
Assignee:
NITTA CHEMICAL IND PRODUCTS CO LTD
International Classes:
E04G21/04; F16L11/08; F16L11/12
Domestic Patent References:
| JPS638341U | 1988-01-20 | |||
| JP2007046547A | 2007-02-22 | |||
| JP2012117924A | 2012-06-21 |
Attorney, Agent or Firm:
Shoji Suzue