DE2928784A1 - Anlage zur herstellung von fuellelementen mit grosser austauschflaeche aus kunststoff mit duennen, aber steifen waenden fuer biologische tropfkoerper-klaeranlagen und die so hergestellten fuellelemente - Google Patents

Anlage zur herstellung von fuellelementen mit grosser austauschflaeche aus kunststoff mit duennen, aber steifen waenden fuer biologische tropfkoerper-klaeranlagen und die so hergestellten fuellelemente

Info

Publication number
DE2928784A1
DE2928784A1 DE19792928784 DE2928784A DE2928784A1 DE 2928784 A1 DE2928784 A1 DE 2928784A1 DE 19792928784 DE19792928784 DE 19792928784 DE 2928784 A DE2928784 A DE 2928784A DE 2928784 A1 DE2928784 A1 DE 2928784A1
Authority
DE
Germany
Prior art keywords
sections
head piece
movable head
mold
mold halves
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
DE19792928784
Other languages
German (de)
English (en)
Other versions
DE2928784C2 (pt-PT
Inventor
Lena Filippetti
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.)
Hydro System SRL
Original Assignee
Hydro System SRL
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 Hydro System SRL filed Critical Hydro System SRL
Publication of DE2928784A1 publication Critical patent/DE2928784A1/de
Application granted granted Critical
Publication of DE2928784C2 publication Critical patent/DE2928784C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/30—Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/302—Basic shape of the elements
    • B01J2219/30207—Sphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/302—Basic shape of the elements
    • B01J2219/30296—Other shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/304—Composition or microstructure of the elements
    • B01J2219/30466—Plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B29C2045/338—Mould parts with combined axial and transversal movements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DE19792928784 1978-09-01 1979-07-17 Anlage zur herstellung von fuellelementen mit grosser austauschflaeche aus kunststoff mit duennen, aber steifen waenden fuer biologische tropfkoerper-klaeranlagen und die so hergestellten fuellelemente Granted DE2928784A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2726178A IT1098434B (it) 1978-09-01 1978-09-01 Apparecchiatura per la produzione di elementi di riempimento a grande superficie di scambio in materia plastica a parete sottile,marigida,per impianti di depurazione biologica a letti filtranti,ed elementi di riempimento cosi' ottenuti

Publications (2)

Publication Number Publication Date
DE2928784A1 true DE2928784A1 (de) 1980-03-13
DE2928784C2 DE2928784C2 (pt-PT) 1987-01-22

Family

ID=11221298

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792928784 Granted DE2928784A1 (de) 1978-09-01 1979-07-17 Anlage zur herstellung von fuellelementen mit grosser austauschflaeche aus kunststoff mit duennen, aber steifen waenden fuer biologische tropfkoerper-klaeranlagen und die so hergestellten fuellelemente

Country Status (2)

Country Link
DE (1) DE2928784A1 (pt-PT)
IT (1) IT1098434B (pt-PT)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058974A1 (de) * 1981-02-21 1982-09-01 Menzel GmbH. + Co. Verfahren, Vorrichtung und Mittel zur Abwasserreinigung
EP0070374A1 (en) * 1981-07-17 1983-01-26 Hydro System S.R.L. Filling bodies

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA177787A (de) * 1986-08-04 1991-08-15 Mueanyagfel Dolgozo Vall Kugel- oder kreisringfoermiges fuellelement aus kunststoff mit zentraler durchflussoeffnung fuer ungeordnete fuellungen von biologischen tropfkoerpern

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE191890C (pt-PT) *
FR1405374A (fr) * 1964-03-25 1965-07-09 Hauts Fourneaux & Forges De Sa Corps de remplissage pour le traitement des fluides
DE2058465A1 (de) * 1969-05-28 1971-07-22 Heil Process Equipment Corp Fuellkoerper fuer Kolonnen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE191890C (pt-PT) *
FR1405374A (fr) * 1964-03-25 1965-07-09 Hauts Fourneaux & Forges De Sa Corps de remplissage pour le traitement des fluides
DE2058465A1 (de) * 1969-05-28 1971-07-22 Heil Process Equipment Corp Fuellkoerper fuer Kolonnen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058974A1 (de) * 1981-02-21 1982-09-01 Menzel GmbH. + Co. Verfahren, Vorrichtung und Mittel zur Abwasserreinigung
WO1982002874A1 (en) * 1981-02-21 1982-09-02 Zink Juergen Method,device and means for purifying waste waters
EP0070374A1 (en) * 1981-07-17 1983-01-26 Hydro System S.R.L. Filling bodies

Also Published As

Publication number Publication date
DE2928784C2 (pt-PT) 1987-01-22
IT7827261A0 (it) 1978-09-01
IT1098434B (it) 1985-09-07

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee