Title of Invention	A NOVEL,DUAL FUNCTION,DUAL METAL,THERMALLY FUSIBLE TYPE SAFTY RELEASE VALUE FOR USE IN DOMESTIC PRESSURE COOKERS
Abstract	A novel, dual functioning, dual metal, Safety Release Valve which comprises, a fusible metal alloy material held within the bore of a •s^eetrd metallic retainer member, the stem of the said metallic retainer being adapted to be loosely and angularly held at an angle of 10° to 25° to the vertical axis of the cooker by a holding member to an opening in the lid of the pressure cooker, the ratio of the diameter of the hole to the diameter or hole of the stem being 1.05 to 1.20the said stem also having a thin washer made of non-metallic resilient material and having a lift distance of 2 to 5 m.m adapted to seal the opening in the lid of the pressure cooker automatically after substantially all the air is vented and due to the generation of steam. A novel dual functioning dual metal safety release valve as claimed in Claim 1 wnerein the fusible metallic material is made of conventional low temperature fusible metal alloys .

Title of Invention

A NOVEL,DUAL FUNCTION,DUAL METAL,THERMALLY FUSIBLE TYPE SAFTY RELEASE VALUE FOR USE IN DOMESTIC PRESSURE COOKERS

Abstract

A novel, dual functioning, dual metal, Safety Release Valve which comprises, a fusible metal alloy material held within the bore of a •s^eetrd metallic retainer member, the stem of the said metallic retainer being adapted to be loosely and angularly held at an angle of 10° to 25° to the vertical axis of the cooker by a holding member to an opening in the lid of the pressure cooker, the ratio of the diameter of the hole to the diameter or hole of the stem being 1.05 to 1.20the said stem also having a thin washer made of non-metallic resilient material and having a lift distance of 2 to 5 m.m adapted to seal the opening in the lid of the pressure cooker automatically after substantially all the air is vented and due to the generation of steam. A novel dual functioning dual metal safety release valve as claimed in Claim 1 wnerein the fusible metallic material is made of conventional low temperature fusible metal alloys .

Full Text

Documents:

82-BOM-1990-CANCELLED PAGES.pdf

82-BOM-1990-CORRESPONDENCE(IPO).pdf

82-BOM-1990-CORRESPONDENCE(RECEIVED).pdf

82-BOM-1990-FORM 2(GRANTED).pdf

82-BOM-1990-FORMS.pdf

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Patent Number

171891

Indian Patent Application Number

82/BOM/1990

PG Journal Number

43/2012

Publication Date

26-Oct-2012

Grant Date

11-Feb-1994

Date of Filing

11-Apr-1990

Name of Patentee

HAWKINS COOKERS LIMITED.

Applicant Address

F-101 MAKER TOWER, CUFFE PARADE, BOMBAY.

Inventors:

#	Inventor's Name	Inventor's Address
1	NARANAMMALPURAM SANKARAN SUBRAMANIAN	HAWKINS COOKERS LIMITED, F-101 MAKER TOWERS, CUFFE PARADE, BOMBAY-400005.

PCT International Classification Number

A47J27/09

PCT International Application Number

N/A

PCT International Filing date

PCT Conventions:

#	PCT Application Number	Date of Convention	Priority Country
1			NA