Legal status (The legal status 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 status listed.)
Expired
Application number
Inventor
Frederick Joynson
William Harrison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB189705422ApublicationCriticalpatent/GB189705422A/en
5422. Joynson, F., and Harrison, W. March 1. Stoppers.-Relates to stoppering jars &c. adapted to contain goods in vacuo. The neck of the jar &c. A is formed with a flat or concave seat a to receive the elastic washer W, and the cover B is formed with a similar seat b. When the vessel is closed, the washer is compressed between the seats a, b and is protected by the flange B<1> on the cover. To facilitate breaking the vacuum to open the vessel, the cover is formed with an aperture H through which a suitable instrument can be inserted to displace the washer.
GB189705422D1897-03-011897-03-01Improvements in and connected with Stoppering or Hermetically Closing Jars or other Receptacles to Facilitate Opening.
ExpiredGB189705422A
(en)
Improvements in and connected with Lids for Tin Cans, Bottles, Boxes and the like with Neck, characterised by a Cap-like Lid, fitted inside with a Washer, and a Spring Closing Arm with Bent Piece.