WO2010108450A1 - Sealing structure - Google Patents

Sealing structure Download PDF

Info

Publication number
WO2010108450A1
WO2010108450A1 PCT/CN2010/071337 CN2010071337W WO2010108450A1 WO 2010108450 A1 WO2010108450 A1 WO 2010108450A1 CN 2010071337 W CN2010071337 W CN 2010071337W WO 2010108450 A1 WO2010108450 A1 WO 2010108450A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing
seal
needle
container
sealing structure
Prior art date
Application number
PCT/CN2010/071337
Other languages
English (en)
French (fr)
Inventor
Shun Pui Andrew Chiu
Original Assignee
Shun Pui Andrew Chiu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shun Pui Andrew Chiu filed Critical Shun Pui Andrew Chiu
Publication of WO2010108450A1 publication Critical patent/WO2010108450A1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/0052—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers made in more than one piece
    • B65D39/0076—Plastic closures other than those covered by groups B65D39/0058 - B65D39/007
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/1406—Septums, pierceable membranes

Definitions

  • the present invention relates to the field of sealing technology, and more particularly, to a sealing structure which can be punctured multiple times without being damaged.
  • sealing structures such as sealing gaskets in pipelines, are used for preventing leakage of gas or liquid from a container or a closure.
  • some sealed products need to be taken out frequently, while the container or the closure is desired to remain being sealed during and after the taking out of the products.
  • a rubber plug is commonly used for sealing the container and also for facilitating insertion of a needle.
  • a needle or other injector head
  • a needle is inserted into the rubber plug to draw liquid from the container, and is pulled out after a desired dosage is obtained. Due to the material property of the rubber, the hole formed by the needle puncture will close as the needle is pulled out, such that air is prevented from entering the container and the liquid is prevented from being polluted.
  • the technical problem to be solved by the present invention is to overcome the drawbacks existing in prior art sealing products by providing a sealing structure which can be punctured multiple times without being damaged.
  • the sealing structure of the present invention is much more durable to punctures than prior art sealing products.
  • the sealing structure of the present invention comprises a container for receiving liquid and a seal for sealing an opening of the container.
  • the seal includes plastic bodies and a flexible sealing body hermetically provided in the plastic body.
  • the seal has a laminated structure, with the flexible sealing body being packaged in a sealed space formed by two plastic bodies.
  • the plastic body is made of a rubber material and is expansible.
  • the container is a tube, and the seal is provided at each end of the tube.
  • the present invention operates as follows.
  • the sealing structure of the present invention may retain its sealing function due to the flexible sealing body provided therein.
  • the plastic body at the outer side of the seal serves as a bracket to keep the seal in place, while the flexible sealing body sandwiched therebetween is made of materials which are stretchable and flowable to a certain extent.
  • a gap induced by the movement of the needle may close instantaneously to ensure a good sealing of the whole seal.
  • Fig.1 is a schematic view of a first embodiment of the present invention
  • Fig.2 is a schematic view of a second embodiment of the present invention.
  • the seal 2 comprises two plastic bodies 21 and a flexible sealing body 22 hermetically provided in the plastic bodies 21.
  • the seal 2 has a laminated structure, with the flexible sealing body 22 being packaged in a sealing space formed by the two plastic bodies 21.
  • the plastic bodies 21 may be made of rubber material and are expansible.
  • a needle 31 of an injector 3 punctures through the whole seal 2 to inject or draw liquid into or from the container.
  • no gap may be formed between the needle 31 and the seal, and thus air will not enter the container 1 and the liquid in the container 1 will not leak out.
  • a hole formed by the needle puncture will close as the needle 31 is pulled out, and thus air is prevented from entering the container and the liquid in the container is prevented from leaking out.
  • the seal 2 of the present invention may remain effective after being punctured by the needle 31 a plurality of times.
  • the plastic body 21 at the outer side serves as a bracket to keep the seal 2 in place.
  • the flexible sealing body 22 sandwiched between the two plastic bodies 21 is made of materials which are stretchable and flowable to a certain extent, such that during movement of the needle 31, the gap induced by the movement may close instantaneously to ensure a good sealing of the whole seal 2.
  • Fig.2 shows a sealing structure according a second embodiment of the present invention which can be used in a paint mixing device.
  • the container 1 is a tube, at each end of which a seal 2 as described above is disposed.
  • the container 1 is communicated with a paint return pipe 6.
  • a paint inlet pipe 4 communicates with a needle body 5 which can move up and down, such that the needle 51 can be inserted into the container 1 or penetrate through the container 1.
  • the needle 51 In use, although the needle 51 needs to move up and down frequently, the sealing of the container 1 can be ensured and thus paint will not leak.
  • the tinter is discharged after traveling through the paint inlet pipe 4 and the needle body 5. Since the needle body 5 has an outlet with a very small diameter, the outflow volume of the paint may be controlled accurately.
  • the tinter discharged from the needle has a shape of a standard water droplet, thus the flow rate of the tinter can be accurately calculated and precisely controlled consequently.
  • the needle body 5 is driven downward, and the needle 51 thereof penetrates through the sealed container 1, i.e., the needle 51 punctures through the two seals 2 at both ends of the container 1, such that the paint may flow out from the needle 51.
  • the needle body 5 When not used, the needle body 5 is driven upward, and an outlet of the needle 51 is retracted into the container 1. Paint is dispensed continuously to fill the whole container 1 and the excess paint will be returned to a paint reservoir through the paint return pipe 6, thereby to form a circulation path. Since the needle 51 is immersed in the paint within the container 1, the paint in the needle 51 will not get cured. Thus, in next use, paint may be dispensed again by simply driving the needle body 5 downward.
  • the flexible sealing body 22 of the present invention may be made of silica gel, which is stretchable and flowable to a certain extent. Thus, a good seal is obtained.
  • the gel is in the liquid form, but having a sufficiently high viscosity such that when penetrated by a needle to form a hole, the gel immediately closes the hole when the needle is retracted, thus forming a perfect seal. This contrasts with solid seals, such as rubber, which close to a certain extent when the needle is removed, but not fully.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
PCT/CN2010/071337 2009-03-27 2010-03-26 Sealing structure WO2010108450A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2009200534696U CN201427724Y (zh) 2009-03-27 2009-03-27 一种密封结构
CN200920053469.6 2009-03-27

Publications (1)

Publication Number Publication Date
WO2010108450A1 true WO2010108450A1 (en) 2010-09-30

Family

ID=42031454

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/071337 WO2010108450A1 (en) 2009-03-27 2010-03-26 Sealing structure

Country Status (2)

Country Link
CN (1) CN201427724Y (zh)
WO (1) WO2010108450A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016048964A1 (en) * 2014-09-24 2016-03-31 Q Holding Company Stopper for medicament containers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109338426A (zh) * 2018-08-31 2019-02-15 北京曙光航空电气有限责任公司 一种零件内壁电镀局部注水保护方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499148A (en) * 1983-01-10 1985-02-12 Canton Bio-Medical Products, Inc. Composite materials of silicone elastomers and polyolefin films, and method of making
US4615460A (en) * 1985-08-28 1986-10-07 General Dynamics Corporation/Convair Div. Anti-contamination covers for structure openings
JPH0516952A (ja) * 1991-02-08 1993-01-26 Marutani Kakoki Kk 多機能中栓
EP0294127B1 (en) * 1987-05-29 1994-11-09 Daikyo Gomu Seiko Ltd. Resin-laminated rubber stopper
EP0798228B1 (de) * 1996-03-28 2001-03-28 Sarnatech Ammann S.A. Stopfen für einen Behälter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499148A (en) * 1983-01-10 1985-02-12 Canton Bio-Medical Products, Inc. Composite materials of silicone elastomers and polyolefin films, and method of making
US4615460A (en) * 1985-08-28 1986-10-07 General Dynamics Corporation/Convair Div. Anti-contamination covers for structure openings
EP0294127B1 (en) * 1987-05-29 1994-11-09 Daikyo Gomu Seiko Ltd. Resin-laminated rubber stopper
JPH0516952A (ja) * 1991-02-08 1993-01-26 Marutani Kakoki Kk 多機能中栓
EP0798228B1 (de) * 1996-03-28 2001-03-28 Sarnatech Ammann S.A. Stopfen für einen Behälter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016048964A1 (en) * 2014-09-24 2016-03-31 Q Holding Company Stopper for medicament containers
US10449117B2 (en) 2014-09-24 2019-10-22 Q Holding Company Stopper for medicament containers

Also Published As

Publication number Publication date
CN201427724Y (zh) 2010-03-24

Similar Documents

Publication Publication Date Title
US4857068A (en) Universal spike for use with rigid and collapsible parenteral fluid dispensing container
EP2161216B1 (de) Behälter für fließfähige Substanzen und Verfahren zum blasenfreien Dosieren solcher Substanzen
WO2010108450A1 (en) Sealing structure
CN205562462U (zh) 血气分析仪及其血气生化测试卡
RU2660340C2 (ru) Проверочное устройство с емкостью проверочного газа и способ проверки испытательного устройства для контроля протечек на функциональную пригодность
CN107813976B (zh) 灌注装置及其使用方法
CN106483179A (zh) 血气分析仪及其血气生化测试卡
CN104374903A (zh) 一种体外诊断测试卡
US20090308872A1 (en) Fluid Port for Laminated Devices
CN209326906U (zh) 胶管密封性检测装置
CN206255225U (zh) 灌注装置
ITBO20100609A1 (it) Dispositivo di chiusura perforabile ed apparato medicale associabile a tale dispositivo.
CN203609657U (zh) 一种碳酸氢钠注射液包装结构
CN206378398U (zh) 尼龙耐制冷剂渗透检测容器
CN202288839U (zh) 马鞍式管体座式双管联体输液袋配件
KR20080051228A (ko) 수액 팩 용 일체형 밀봉캡 구조
CN207516116U (zh) 乳胶塞注射式扩散皿
CN206109424U (zh) 一种可多孔穿刺的离心管
CN109269740A (zh) 胶管密封性检测装置
CN221071493U (zh) 反应套管
CN208474676U (zh) 用于感温探头的管塞
CN220115177U (zh) 一种3d储液袋
CN216426703U (zh) 一种中药液防漏液灌装设备
ITMI20121793A1 (it) Elemento di chiusura di un contenitore per fluidi biologici
CN213941483U (zh) 一种输液用聚异戊二烯垫片

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10755450

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10755450

Country of ref document: EP

Kind code of ref document: A1