INSECT SCREEN, SCREEN DOOR DEVICE USING THE SAME, AND METHOD FOR ATTACHING AND DETACHING INSECT SCREEN

To provide an insect screen that can be easily attached to a mounting frame without requiring strict dimensional accuracy and with no sagging or wrinkling of a netting material, a screen door device using the same, and a method for attaching and detaching the insect screen.SOLUTION: An insect screen 10 is designed to be fastened to a hollow vertical frame rod 41 in a building opening. The insect screen has a rectangular, flexible netting member 11 having left and right vertical sides and upper and lower horizontal sides, and a first engagement body 13 attached to each of the left and right vertical sides of the netting member. The first engagement body has an engagement base 14 whose base side is attached to the netting member, and a pair of engagement pieces 15,15 standing from both sides of the tip side of the engagement base for engaging the engagement body to a netting mounting frame while being accommodated in a frame through a slit-like opening 41b. The pair of engagement pieces extend in a direction away from each of the two sides of the engagement base as they progress from the tip side at each of the sides of the engagement base to the base side.SELECTED DRAWING: Figure 6 【課題】厳密な寸法精度が要求されることなく、網材が弛みや皺のない状態で取付枠に簡単に取り付け可能な防虫網、それを用いた網戸装置及び防虫網の着脱方法を提供する。【解決手段】防虫網１０は、建物開口部に設けられた中空の縦枠杆４１に係止するためのものである。防虫網は、左右の縦辺及び上下の横辺を有する矩形で柔軟な網材１１と、網材の左右の縦辺に夫々に取り付けられた第１係止体１３とを有する。第１係止体は、網材に基端側が取り付けられた係止基部１４と、係止基部の先端側の両側面から立設されていて、網取付枠内にスリット状の開口部４１ｂを通じて収容された状態で網取付枠に係合させるための一対の係止片部１５，１５とを有する。一対の係止片部は、係止基部の両側面の夫々における先端側から基端側に進むに従って両側面の夫々から離れる方向に延びる。【選択図】図６