FR2392252A1 - Foodstuff metering pump or valve with steam scavenging chamber - has closure piston rod through hollow metering piston rod with steam inlet and outlet - Google Patents

Foodstuff metering pump or valve with steam scavenging chamber - has closure piston rod through hollow metering piston rod with steam inlet and outlet

Info

Publication number
FR2392252A1
FR2392252A1 FR7816312A FR7816312A FR2392252A1 FR 2392252 A1 FR2392252 A1 FR 2392252A1 FR 7816312 A FR7816312 A FR 7816312A FR 7816312 A FR7816312 A FR 7816312A FR 2392252 A1 FR2392252 A1 FR 2392252A1
Authority
FR
France
Prior art keywords
piston rod
steam
valve
outlet
piston
Prior art date
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.)
Granted
Application number
FR7816312A
Other languages
French (fr)
Other versions
FR2392252B3 (en
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.)
Hassia Verpackungsmaschinen GmbH
Original Assignee
Hassia Verpackungsmaschinen GmbH
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
Priority claimed from DE19772723320 external-priority patent/DE2723320C2/en
Priority claimed from DE19772723321 external-priority patent/DE2723321C2/en
Application filed by Hassia Verpackungsmaschinen GmbH filed Critical Hassia Verpackungsmaschinen GmbH
Publication of FR2392252A1 publication Critical patent/FR2392252A1/en
Application granted granted Critical
Publication of FR2392252B3 publication Critical patent/FR2392252B3/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement
    • B65B3/32—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement by pistons co-operating with measuring chambers

Abstract

The steam supply control is intended for a metering pump or valve for handling viscous media, which have to be kept germ free such as milk etc, whereby the piston rods(8, 9) are surrounded by a steam lock. Above the effective stroke area(2) of the two coaxially movable pistons(3, 4) the cylinder(1) has a purging chamber(5) which receives the pistons and has a closable outlet(6). The piston rod(9) of the closure piston(4) extends through the space(7) in the hollow piston rod(8) of the metering piston(3). The steam enters through an inlet(10) at the top of the space(7) and leaves through an outlet(11) above the piston(3) at the bottom. The OD of the rod(8) is the ID of the cylinder(1) or valve.
FR7816312A 1977-05-24 1978-05-31 Foodstuff metering pump or valve with steam scavenging chamber - has closure piston rod through hollow metering piston rod with steam inlet and outlet Granted FR2392252A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772723320 DE2723320C2 (en) 1977-05-24 1977-05-24 Filling pump, especially for filling foodstuffs that are to be kept germ-free into containers
DE19772723321 DE2723321C2 (en) 1977-05-24 1977-05-24 Vapor barrier for a piston metering pump

Publications (2)

Publication Number Publication Date
FR2392252A1 true FR2392252A1 (en) 1978-12-22
FR2392252B3 FR2392252B3 (en) 1981-01-23

Family

ID=25772055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7816312A Granted FR2392252A1 (en) 1977-05-24 1978-05-31 Foodstuff metering pump or valve with steam scavenging chamber - has closure piston rod through hollow metering piston rod with steam inlet and outlet

Country Status (1)

Country Link
FR (1) FR2392252A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280537A1 (en) * 1987-02-24 1988-08-31 Odin Developments Limited A dosing system
US5339999A (en) * 1990-07-07 1994-08-23 Nestec S.A. Easy cleaning metering device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280537A1 (en) * 1987-02-24 1988-08-31 Odin Developments Limited A dosing system
WO1988006552A1 (en) * 1987-02-24 1988-09-07 Odin Developments Limited A dosing system
US5344052A (en) * 1987-02-24 1994-09-06 Odin Development Ltd. Dosing system
US5339999A (en) * 1990-07-07 1994-08-23 Nestec S.A. Easy cleaning metering device

Also Published As

Publication number Publication date
FR2392252B3 (en) 1981-01-23

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