JP2001233367A5 - - Google Patents

Claims (3)

円筒状のキャップ本体と円筒状の蓋との外壁をヒンジで一体に連結した合成樹脂製の蓋付きキャップであって、
前記ヒンジは、キャップ本体及び蓋の円筒状の外壁に対し半径方向から接合するように形成され、一又は一対の剛直な主ヒンジと、略均一な厚さの弾性膜部分とからなり、前記主ヒンジは、蓋の開の状態において、開いた上面が略平坦な面となり、キャップ本体と蓋との中間位置で横切る方向に折り曲げ自在であり、また、前記弾性膜は、その一端部は前記主ヒンジの外側に沿って一体に形成されており、蓋の開の状態において、その他端部は一端部から下方外方に向かって傾斜した部位にあり、側面視で水平または僅かに上方に湾曲していることを特徴とする蓋付きキャップのヒンジ構造。A cap with a lid made of synthetic resin in which the outer wall of a cylindrical cap body and a cylindrical lid are integrally connected by a hinge,
Said hinge is formed so as to cylindrical outer wall of the cap body and the lid is joined in the radial direction, consists of a one or a pair of rigid main hinge, the elastic membrane portion of substantially uniform thickness, the main The hinge has an open top surface that is substantially flat when the lid is open , and can be bent in a direction crossing at an intermediate position between the cap body and the lid. The elastic membrane has one end at the main end. along the outside of the hinge are formed integrally in the opened state of the lid, the other end is in site inclined downward outwardly from one end, curved horizontal or slightly upward as viewed from the side hinge structure of the closure cap, characterized in that is. 前記弾性膜は、平面視で略梯形状を呈していることを特徴とする請求項１に記載の蓋付きキャップのヒンジ構造。The hinge structure of a cap with a lid according to claim 1, wherein the elastic film has a substantially trapezoidal shape in plan view . 前記ヒンジは、蓋の開の状態において、主ヒンジの外側面間の長さＬが該ヒンジの連結方向の長さＭに対し略１．５倍又はその長さを越えない長さを有することを特徴とする請求項１または請求項２に記載の蓋付きキャップのヒンジ構造。  The hinge has a length L between the outer surfaces of the main hinge that is approximately 1.5 times the length M in the connecting direction of the hinge or a length that does not exceed the length when the lid is open. The hinge structure of the cap with a lid according to claim 1 or 2, characterized by the above-mentioned.