JPS61118547U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案実施例の縦断面図、第２図は第
１図のＡ部拡大図である。 １……魔法びん、２……中びん、３……外装ケ
ース、４……肩部材、５……中栓、８……口元受
部、１０……環状隅部、１１……広口部、１８…
…大径部、１９……傾斜部、２０……小径部。 FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, and FIG. 2 is an enlarged view of section A in FIG. 1... Thermos bottle, 2... Inner bottle, 3... Outer case, 4... Shoulder member, 5... Inner stopper, 8... Mouth holder, 10... Annular corner, 11... Wide mouth part, 18 …
...Large diameter part, 19... Inclined part, 20... Small diameter part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中びんを囲んだ外装ケースの上端に肩部材を結
合し、肩部材の中央に中びん口元と連通する口元
受部と、内周にネジを刻設した広口部とを設け、
肩部材の中央より中びん口元に向けて中栓を着脱
自在に螺着した魔法びんに於いて、上記肩部材の
口元受部上端の環状隅部を略鋭角で外側に向け、
この外側先端を上昇させて広口部を設ける一方、
中栓に広口部と螺着する大径部及び口元受部内に
挿入する小径部とを設け、大径部と小径部との間
に口元受部上端の環状隅部に斜接触する傾斜部を
設けたことを特徴とする魔法びん。 A shoulder member is connected to the upper end of the outer case surrounding the inner bottle, and the shoulder member is provided with a mouth receiving part communicating with the mouth of the inner bottle in the center and a wide mouth part with a screw carved on the inner periphery,
In a thermos bottle in which an inner stopper is removably screwed from the center of the shoulder member toward the mouth of the inner bottle, the annular corner at the upper end of the mouth receptacle of the shoulder member is directed outward at a substantially acute angle;
While this outer tip is raised to provide a wide opening,
The inner stopper is provided with a large diameter part that is screwed into the wide mouth part and a small diameter part that is inserted into the mouth receptacle, and an inclined part that obliquely contacts the annular corner at the upper end of the mouth receptacle is provided between the large diameter part and the small diameter part. A thermos bottle characterized by: