[특허]Closure and dispensing device for containers

Closure and dispensing device for containers 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B67D-003/00
출원번호	US-0634708 (1990-12-27)
발명자 / 주소	Appla Constandinos (Suite 17/25 Martin Street Thornbury Victoria 3071 AUX)
인용정보	피인용 횟수 : 43 인용 특허 : 0

초록 ▼

A two-piece, plastic, screw-on, closure and dispenser has an outer tubular female part with upper and lower internal screw threads and a separate, inner tubular male part with a single external screw thread rotatably attachable to the upper thread of the female part the lower thread of which is screwed onto the external screw thread of an outlet on top of a container, the male part is double-walled, an elongated pouring spout is an integral axial extension of an inner wall and a knurled hand knob is at the top of an outer wall and is turnable in either direction within the stationary female part for axial extension or retraction of the spout. An integral, internal, annular frustro-conical flange extends around the internal wall surface of the female part between threads and forms a valve seat around a fluid-flow opening. A disc-like valve member with a frustro-conical, peripheral, valve-sealing surface is spaced by webs below the male part creating in conjunction with the valve seat, a baffled port for interrupting two way flow of air entering and liquid exiting a container via the device to smooth out liquid dispensing by reducing the size and increasing the rapidity of “ glugging”. Combination movement stops and sealing surfaces on external ledges are provided between male and female parts.

대표청구항 ▼

A screw-threaded, plastic closure and liquid-dispensing device for containers with an externally-threaded outlet, said device comprising: a female outer tubular member and a male inner tubular member, said female member having longitudinally spaced lower and upper internally threaded portions, the lower internally screw threaded portion being attachable to the externally-threaded outlet of said container, said male member having a single external screw thread complementary to the upper internal thread of the female portion and being rotatably mountable within said female member, an internal valve seat carried by said female member, a valve liquid-sealing surface carried by said male member, whereby hand rotation of said male member in one angular direction axially extends said male member with respect to said female member to move said valve liquid-sealing surface away from said valve seat to open said device and rotation in the opposite direction retracts said male member and closes said device, an air-inlet and liquid-outlet port being provided between both said members during relative axial displacement of said members, said male member having associated flow baffle means thereon adjacent said port for non-linear air/liquid flow through said device when said device is in open position, wherein said port is partly formed by an integral, radially apertured disc projecting axially from an inner container-facing end of said male member, and wherein said male member has a tubular inner wall and a tubular outer wall and said valve-sealing surface is axially spaced from said inner tubular wall and is formed by the peripheral edge of said radially extending disc joined to and supported by integral axial baffles having an upper terminal end joined to the inside of said inner tubular wall and a lower terminal end joined to said disc, said ribbed baffles in association with said disc defining apertures for two-way fluid flow of air inflow and liquid outflow therethrough when said device is in open position and for changing the direction of fluid flow therethrough by interruption to reduce the amplitude and to increase the frequency of fluid flow interruption by “glugging”to smooth out liquid outflow from a container containing liquid and to which said device is fitted.

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Closure and dispensing device for containers 원문보기

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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Closure and dispensing device for containers 원문보기

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