FR2316124A1 - Bulk material supply hopper - has screw conveyor in double walled housing with evacuated annular space to increase bulk density - Google Patents

Bulk material supply hopper - has screw conveyor in double walled housing with evacuated annular space to increase bulk density

Info

Publication number
FR2316124A1
FR2316124A1 FR7521136A FR7521136A FR2316124A1 FR 2316124 A1 FR2316124 A1 FR 2316124A1 FR 7521136 A FR7521136 A FR 7521136A FR 7521136 A FR7521136 A FR 7521136A FR 2316124 A1 FR2316124 A1 FR 2316124A1
Authority
FR
France
Prior art keywords
screw conveyor
double walled
annular space
material supply
supply hopper
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.)
Withdrawn
Application number
FR7521136A
Other languages
French (fr)
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.)
MIDI SALINES EST CIE SALINS
Original Assignee
MIDI SALINES EST CIE SALINS
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 MIDI SALINES EST CIE SALINS filed Critical MIDI SALINES EST CIE SALINS
Priority to FR7521136A priority Critical patent/FR2316124A1/en
Publication of FR2316124A1 publication Critical patent/FR2316124A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
    • B65B63/02—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles
    • B65B63/028—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles by pneumatic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screw Conveyors (AREA)
  • Air Transport Of Granular Materials (AREA)

Abstract

The screw conveyor (5) is carried on a horizontal spindle (6) which passes through the base of the feed hopper (1). The outlet of the conveyor (7) is shaped to fit over the sacks to be filled. the screw conveyor passes through a double walled sleeve separated by a space (4). The inner sleeve is made of porous material, and the outer sleeve material is hot porous. The space (4) between the sleeves is maintained under vacuum and draws air from the loose material. The bulk of powdered products can be greatly increased.
FR7521136A 1975-07-04 1975-07-04 Bulk material supply hopper - has screw conveyor in double walled housing with evacuated annular space to increase bulk density Withdrawn FR2316124A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7521136A FR2316124A1 (en) 1975-07-04 1975-07-04 Bulk material supply hopper - has screw conveyor in double walled housing with evacuated annular space to increase bulk density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7521136A FR2316124A1 (en) 1975-07-04 1975-07-04 Bulk material supply hopper - has screw conveyor in double walled housing with evacuated annular space to increase bulk density

Publications (1)

Publication Number Publication Date
FR2316124A1 true FR2316124A1 (en) 1977-01-28

Family

ID=9157554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521136A Withdrawn FR2316124A1 (en) 1975-07-04 1975-07-04 Bulk material supply hopper - has screw conveyor in double walled housing with evacuated annular space to increase bulk density

Country Status (1)

Country Link
FR (1) FR2316124A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208378A (en) * 1987-07-29 1989-03-30 Mitsubishi Chem Ind De-aerating particulate material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208378A (en) * 1987-07-29 1989-03-30 Mitsubishi Chem Ind De-aerating particulate material
GB2208378B (en) * 1987-07-29 1991-11-27 Mitsubishi Chem Ind Deaerator for particulates

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Legal Events

Date Code Title Description
ST Notification of lapse