|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||215/344; 215/343; 215/329|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 16|
A cap which has a female screw in the inner peripheral surface and which is to be screwed on a port neck part of a container main body holding a predetermined liquid, wherein a plurality of ribs radially extending astride from an inner surface of a top surface part of the cap to an inner surface of a peripheral wall part and integrally projecting inwards are formed on a peripheral edge part of the inner surface part. A female screw is a screw in the form of two threads composed of spiral mated ridges of two threads, for example. The liquid held in the co...
1. A cap configured to be attached to a neck part of a container main body, the cap comprising: an annular inner ring part and an annular outer ring part provided on an inner surface of a top surface part of the cap; anda plurality of ribs radially extending from an outer surface of the annular outer ring part to an inner surface of a peripheral wall part of the cap, the ribs including first ribs which have cross-sectional widths which are larger at the inner surface of the peripheral wall part than at the outer surface of the annular outer ring part. 2....