< Topic >Sucking capacity from the nipple of the nursing bottle is controlled appropriately, structure of the nursing bottle which decreases the possibility the nipple passing through from the bottle itself is offered.SolutionsThe opening margin the ring-shaped control sheet is installed with 22 of the nursing bottle and the nipple and nipple conservation cap 3. The said control sheet is dented and possesses the space 41, the rim section of the dent space extending is present and forms flange surface 42, is dented and the base of the space forms the obstruction aspect 43 of airtightness condition, opening the hole 44 of the area which is small to just the median region position, at the same time furthermore provides rib ring 45 on the obstruction aspect. After installing the flange surface of the said control sheet in the nursing bottle opening margin, cladding the opening margin of the nipple on the flange surface of the control sheet, it continues, the hollow opening of the nipple conservation cap the insertion together, makes the Inlaying sticking female screw mountain and the nursing bottle opening marginal male screw mountain the nipple and the control sheet fit in the nursing bottle.< Choice figure >Drawing 7【課題】哺乳瓶の乳首からの吸い込み流量を適切に制御し、瓶本体から乳首が抜ける可能性を少なくした哺乳瓶の構造を提供する。【解決手段】哺乳瓶の開口部周縁22と、乳首部と、乳首部保護キャップ3との間に輪状の制御シートを取り付ける。該制御シートは凹み空間41を有し、凹み空間の外周部を延在してフランジ表面42を形成し、凹み空間の底面は密閉状の阻止面43を形成し、中央部位置だけに小さい面積の穴部44を開けていて、かつ阻止面にリブリング45をさらに設ける。該制御シートのフランジ表面を哺乳瓶開口部周縁に取り付けた後、乳首部の開口部周縁を制御シートのフランジ表面に貼り合わせて、引き続き、乳首部保護キャップの中空開口部を哺乳瓶に嵌着し雌ねじ山と哺乳瓶開口部周縁の雄ねじ山とを嵌め合わせて、乳首部と制御シートに密着させる。【選択図】図7
