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|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F16C-055/14 F16K-007/06 B65D-047/22|
|미국특허분류(USC)||222/1445 ; 222/94 ; 222/145 ; 222/466|
|발명자 / 주소|
|인용정보||피인용 횟수 : 30 인용 특허 : 0|
S-shaped opening and closing element for controlling the flow of a fluid or body (powder, granulate) and adaptable to any form of package or fitting containing fluids, characterized in that its shape in two S-bends permits both an instantaneous stoppage of the flow of the fluids and an instantaneous flow of said fluids; this, as a function of the given position, by manual or mechanical traction on the element. The S-shape ensures very effective fluid-tightness, without supplementary elements. The opening and closing element can be employed for controllin...
A container of thermoplastic material having a fluid receiving cavity, a bottom edge portion and at least one device for controlling flow of fluid from said cavity, said device consisting of a tubing in fluid communication with said fluid receiving cavity, said tubing having a continuous tubular wall of elastically deformable material and having an S-shaped end section which comprises an upstream segment, an intermediate segment, a downstream segment, an upstream bend located between said upstream and intermediate segments and a downstream bend located b...