PURPOSE: To obtain polyester crimped yarn excellent in bulkiness and durability, and capable of giving a carpet enabling the reduction in the weight due to the good covering property, and further to obtain the carpet such as a tufted carpet having an excellent performance especially for an automobile by using the polyester crimped yarn as face yarn.
CONSTITUTION: The polyester crimped yarn for a carpet comprises polyester multifilaments having a crimp elongation of ≥15% and a total fineness of 500-5000 denier and comprising the aggregation of hollow cross section monofilaments produced by melt-spinning a polyester in which ≥90mol% of the whole repeating units of the molecular chain are ethylene terephthalate units and which has an intrinsic viscosity of ≥0.65, wherein the hollow cross section monofilament has a thickness (d) of ≥3μm between the outer outline A and the hollow part outline B. The polyester crimped yarn is used as face yarn.
MAEDA HIROYUKI
FUJITA MASASHI
