JP2004160944A5 - - Google Patents

Claims (7)

液体を貯蔵可能な筐体と、前記筐体に設けられた前記液体の出口と、前記筐体に設けられた、空気を内部に導入する空気導入口と、前記筐体内に液体を保持するための負圧を生じる毛管力を有する液体保持部材とを備えた液体貯蔵容器において、
前記液体保持部材は薄肉板部が多段に間隙を有した状態で重ね合わせられたものからなり、該薄肉板部には、重なった隣りの薄肉板部と嵌め合わさる複数の凹部および凸部が形成されていることを特徴とする液体貯蔵容器。A case capable of storing liquid, an outlet of the liquid provided in the case, an air introduction port provided in the case for introducing air into the case, and for holding the liquid in the case In a liquid storage container comprising a liquid holding member having a capillary force that generates a negative pressure of
The liquid holding member is formed by stacking thin plate portions with a plurality of gaps therebetween, and the thin plate portion is formed with a plurality of concave portions and convex portions that fit into the adjacent thin plate portions. A liquid storage container. 前記薄肉板部に形成された凹部と凸部は、隣接する薄肉板部同士の一部またはすべての凹部ならびに凸部が嵌め合わさることによって重ね合わせの状態を保持することを特徴とする請求項１に記載の液体貯蔵容器。2. The concave portion and the convex portion formed in the thin plate portion are held in an overlapped state by fitting a part or all of the concave portions and convex portions of the adjacent thin plate portions to each other. A liquid storage container according to 1. 前記薄肉板部に形成された凹部と凸部は、隣接する薄肉板部同士の一部またはすべての凹部ならびに凸部が嵌め合わさることによって隣接する薄肉板部間において所定の間隙を得ることを特徴とする請求項１または２に記載の液体貯蔵容器。The concave portion and the convex portion formed in the thin plate portion obtain a predetermined gap between the adjacent thin plate portions by fitting a part or all of the concave portion and the convex portion between the adjacent thin plate portions. The liquid storage container according to claim 1 or 2. 前記薄肉板部に形成された凹部と凸部は、それぞれ嵌め合わさる方向に従って先端の狭くなるテーパ形状をもち、凸部の先端部の幅が凹部の最大開口の幅より小さく、かつ、凹部の最小開口幅よりも大きいことを特徴とする請求項１乃至請求項３のいずれかに記載の液体貯蔵容器。 The concave portion and the convex portion formed in the thin plate portion have a tapered shape in which the tip becomes narrower according to the fitting direction, the width of the tip portion of the convex portion is smaller than the width of the maximum opening of the concave portion, and the minimum of the concave portion. The liquid storage container according to any one of claims 1 to 3, wherein the liquid storage container is larger than the opening width . 前記薄肉板部における複数の凹部および凸部の形成は、金属板材へのプレス加工によって形成されることを特徴とする請求項１に記載の液体貯蔵容器。The liquid storage container according to claim 1, wherein the plurality of concave portions and convex portions in the thin plate portion are formed by pressing a metal plate material. 前記薄肉板部における複数の凹部および凸部の形成は、樹脂板材の成形加工によって形成されることを特徴とする請求項１に記載の液体貯蔵容器。The liquid storage container according to claim 1, wherein the plurality of concave portions and convex portions in the thin plate portion are formed by molding a resin plate material. 前記液体保持部材は薄肉板部が多段に間隙を有した状態で重ね合わせられたものからなり、前記薄肉板部どうしの前記間隙には液体が充填されるごとに、繰り返し負圧を生じる毛管力を発生することを特徴とする請求項１に記載の液体貯蔵容器。The liquid holding member is formed by overlapping thin plate portions with a plurality of gaps, and a capillary force that repeatedly generates a negative pressure every time the gap between the thin plate portions is filled with liquid. The liquid storage container according to claim 1, wherein