Title:
HERMETICALLY SEALED CONTAINER LID
Document Type and Number:
WIPO Patent Application WO/2019/111429
Kind Code:
A1
Abstract:
The objective of the present invention is to obtain a hermetically sealed container lid which has a configuration that is simplified to facilitate manufacture and operation, which is resistant to failure, and with which maintenance can be performed easily.
To this end, a hermetically sealed container lid 1 which is installed in such a way as to be capable of moving between an upper position above an opening portion 3 of a container 2 and a retracted position separated from the upper position, and which, in the upper position above the opening portion 3 of the container 2, is fixed spaced apart from the opening portion 3 of the container 2 with a prescribed gap therebetween, includes a lid main body 6 on a lower surface side of which is provided, in such a way as to be capable of being raised and lowered, a chamber 15 in which a sealed space 14 is formed between the chamber 15 and a lower surface of the lid main body by a seal ring 13 being interposed therebetween, wherein the chamber 15 has an upper portion that is open and a lower surface serving as an abutting surface 12 abutting a non-metallic seal 11 disposed around the opening portion 3 of the container 2, and wherein communicating holes 16 are formed in the lid main body 6 to communicate with the sealed space 14, and a pressurizing/depressurizing device 17 for pressurizing and depressurizing the sealed space 14 to raise and lower the chamber 15 is connected to the communicating holes 16.
More Like This:
| JP2514707 | [Name of device] Pressure release device |
| JP2019158005 | HIGH-PRESSURE VESSEL |
| JP2002122297 | TOOL JIG FOR PRESSURE VESSEL AND PRESSURE VESSEL |
Inventors:
YASUI SHINSAKU (JP)
Application Number:
PCT/JP2018/015122
Publication Date:
June 13, 2019
Filing Date:
April 10, 2018
Export Citation:
Assignee:
CSG INVEST CO LTD (JP)
International Classes:
F16J12/00; B65D43/18; B65D45/02; B65D53/02; F16J13/10
Domestic Patent References:
| WO2008062826A1 | 2008-05-29 |
Foreign References:
| JP2013221600A | 2013-10-28 | |||
| JP2016511727A | 2016-04-21 |
Attorney, Agent or Firm:
OTSUKA, Akihiro (JP)
Download PDF: