초록 ▼

A cap for a container having a depending wall with a free end adapted to constantly urge engaging means of the cap and the container together upon engagement therebetween. Preferably, the free end of the cap has low hoop stress when axially compressed to provide spring means which perform the requir

A cap for a container having a depending wall with a free end adapted to constantly urge engaging means of the cap and the container together upon engagement therebetween. Preferably, the free end of the cap has low hoop stress when axially compressed to provide spring means which perform the required function. In forming the cap, preferably one end is attached at the top wall of the cap, its other end is free to move relative to the cap and a substantial horizontal intermediate element is provided therebetween. In use, the free end has a bearing surface at or beyond the horizontal element thereof.

대표청구항 ▼

A container-cap combination for containing a product comprising: (a) a container comprising: an opening for receiving or discharging the product, a neck surrounding the opening having engaging means thereon and including a lip, an annular flexible member integral with the lip adapted to be compresse

A container-cap combination for containing a product comprising: (a) a container comprising: an opening for receiving or discharging the product, a neck surrounding the opening having engaging means thereon and including a lip, an annular flexible member integral with the lip adapted to be compressed in response to an axial compressive load applied to the lip, (b) a cap comprising; a top wall, a depending skirt with engaging means thereon, and a depending wall spaced from the skirt and extending from the top wall to a free end which engages the annular flexible member of the container and is adapted to constantly urge the engaging means on the cap and the container together upon engagement therebetween.