Title of Invention

AN IMPROVED EVACUATED CONTAINER FOR PRESERVING PERISHABLE PRODUCTS.

Abstract An improved evacuated container or preserving perishable product ' comPr*SeS a vessel 12 closed at one" end afbd defining a mouth at the other, a lid 14 removably securable on the mouth pf the vessel and engaging means provided between the vessel mouth and the l|d ensure an airtight engagement there between* Air evacuating means aye fitted to the said lid for evacuating air from within the vessel, The atjr evacuating means consisting of: a non-return valve assembly fitted in a central depression 16B in the lid, said central depression having apertures 20 formed in its base wbiia which allow communication between the interior of the vessel and the valve assembly, the non return valve assembly comprising a cylindrlcally hollow resilient sleeve 24 having flanges 18A on its surface which permit s force fitting of the sleeve into.the said central depression in the lid, the said sleeve terminating at its upper end in a cup shaped member 22 having defor-mable walls 26 which can be deformed to open an-Aperture 60 to withdraw air from within the sleeve and hence from within the "container said aperture being normally closed by the pressure of the resi-lient deformable walls abutting each other, said cup shaped member having a flange type locating means 28 for locating a piston and cyliner devici; the cyliner 40 of the nt said piston and cylinder device can be located fcp the said locating means formed around the cup shaped member of the non-return valve assembly for enclosing the cup shaped member of the non-return valve assembly in a force fitted manner, the said piston and cylinder deviqe consisting of a hollow piston 44 having a valve 46 which can reciprocal in the cylinder.
Full Text

Documents:

383-BOM-1991-CANCELLED PAGES.pdf

383-BOM-1991-CORRESPONDENCE(IPO).pdf

383-BOM-1991-CORRESPONDENCE(RECEIVED).pdf

383-BOM-1991-FORM 2(COMPLETE).pdf

383-BOM-1991-FORM 2(GRANTED).pdf

383-BOM-1991-FORMS.pdf

383-BOM-1991-SPECIFICATION(AMENDED).pdf


Patent Number 174534
Indian Patent Application Number 383/BOM/1991
PG Journal Number 45/2012
Publication Date 09-Nov-2012
Grant Date 14-Jul-1995
Date of Filing 27-Dec-1991
Name of Patentee REAL VALUE APPLIANCES PRIVATE LIMITED
Applicant Address 801/802,TULSIANI CHAMBERS, NARIMAN POINT, BOMBAY 400021
Inventors:
# Inventor's Name Inventor's Address
1 ASHOK KUMAR DEORAH 801/802,TULSIANI CHAMBERS, NARIMAN POINT, BOMBAY 400021
PCT International Classification Number B65B31/00
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA