Title:
PIPE MATERIAL FOR AIR-CONDITIONING DRAIN
Document Type and Number:
WIPO Patent Application WO/2020/189141
Kind Code:
A1
Abstract:
Provided is a pipe material characterized by being composed of a multilayer tube having an inner layer, a foamed layer, and an outer layer, wherein the inner layer, the foamed layer, and the outer layer each include a thermoplastic resin, and the outer diameter (D), the inner diameter (U), the thickness (To) of the outer layer, the thickness (Tc) of the foamed layer, and the thickness (Ti) of the inner layer satisfy the following relationships (1) to (4) (1): 8≦D/To≦17, (2): 10≦D/Tc≦16, (3): 0.5 mm≦Ti≦4.0 mm, (4): 0.55≦U/D≦0.75
Inventors:
NAKAMURA HIRONOBU (JP)
MATSUNAGA TAMOTSU (JP)
NAKANE SHOUGO (JP)
MATSUNAGA TAMOTSU (JP)
NAKANE SHOUGO (JP)
Application Number:
PCT/JP2020/006238
Publication Date:
September 24, 2020
Filing Date:
February 18, 2020
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
B32B5/18; B32B1/08; B32B27/30; C08L27/06; F16L9/147; F16L11/12; F16L59/147
Foreign References:
| JP2018059707A | 2018-04-12 | |||
| JP2018059633A | 2018-04-12 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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