PROBLEM TO BE SOLVED: To provide a manufacturing method of a disposable fiber product for a lower half body capable of forming leg periphery gathers improving a leak prevention function of body excretion liquid in a simple process easily and capable of manufacturing a product having an excellent wearing feel and stable feel in wearing.SOLUTION: The manufacturing method of a disposable fiber product for a lower half body includes: a composite sheet formation step feeding fibrous sheets 50, 56 having air permeability continuously in a moving direction, feeding an elastic member 52 having elasticity in a tensioned state continuously in the moving direction, and forming a composite sheet 70 by joining the elastic member on one face of the fibrous sheet and a leg hole formation step forming a leg hole by performing holing processing in an elastic member joined area in the composite sheet at predetermined intervals along the moving direction of the composite sheet.SELECTED DRAWING: Figure 11COPYRIGHT: (C)2017,JPO&INPIT【課題】身体排出液の漏出防止機能を向上した脚周りギャザーを簡単な工程で容易に形成できると共に、着用感および着用時の安定感に優れた製品を製造できる下半身用使い捨て繊維製品の製造方法を提供する。【解決手段】下半身用使い捨て繊維製品の製造方法は、通気性を有する繊維状シート50,56を移動方向に連続的に供給すると共に、伸縮性を有する弾性部材52を引っ張り状態で、移動方向に連続的に供給し、前記繊維状シートの一方の面に弾性部材を接合して複合シート70を形成する複合シート形成工程と、前記複合シートの移動方向に沿って所定間隔をおいて、前記複合シートにおける弾性部材接合領域に穴あけ加工を施し、脚部穴を形成する脚部穴形成工程とを備える。【選択図】図11
