DE1611119A1 - Plastic filters - Google Patents

Plastic filters

Info

Publication number
DE1611119A1
DE1611119A1 DE19671611119 DE1611119A DE1611119A1 DE 1611119 A1 DE1611119 A1 DE 1611119A1 DE 19671611119 DE19671611119 DE 19671611119 DE 1611119 A DE1611119 A DE 1611119A DE 1611119 A1 DE1611119 A1 DE 1611119A1
Authority
DE
Germany
Prior art keywords
filter
jackets
jacket
cylindrical
plastic
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.)
Pending
Application number
DE19671611119
Other languages
German (de)
Inventor
Karl Canisius
Walter Litzau
Richard Moebius
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.)
Norddeutsche Seekabelwerke GmbH
Original Assignee
Norddeutsche Seekabelwerke 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
Application filed by Norddeutsche Seekabelwerke GmbH filed Critical Norddeutsche Seekabelwerke GmbH
Priority to CS426268A priority Critical patent/CS155184B2/cs
Priority to CS421068A priority patent/CS155183B2/cs
Publication of DE1611119A1 publication Critical patent/DE1611119A1/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/111—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B01D29/216—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets with wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31—Self-supporting filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/10—Brush filters ; Rotary brush filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/10—Filter screens essentially made of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/522—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with specific folds, e.g. having different lengths
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/301—Extrusion nozzles or dies having reciprocating, oscillating or rotating parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/022—Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0407—Perforated supports on both sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/043—Filter tubes connected to plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0672—The layers being joined by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/069—Special geometry of layers
    • B01D2239/0695—Wound layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/06—Details of supporting structures for filtering material, e.g. cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2028/00—Nets or the like

Description

Filter aus Kunststoff. Plastic filters.

Die Erfindung betrifft Filter, insbesondere zylindrische Filter aus Kunststoff, zum Filtern von Gasen und Flüssigkeiten.The invention relates to filters, in particular cylindrical filters Plastic, for filtering gases and liquids.

Zum Filtern von Gasen und Flüssigkeiten, zum Beispiel Wasser, Öl und dergleichen werden auf den verschiedensten Gebieten der Technik längliche, insbesondere zylindrische Filter, sogenannte Filterkerzen, verwendet. Diese bestehen in der einfachsten Ausftthrungsform aus einem durchlässigen Zylindermantel und einem ganz oder teilweise geschlossenen Boden.For filtering gases and liquids, for example water, oil and The like are elongated in the most diverse fields of technology, in particular cylindrical filters, so-called filter candles, are used. These consist of the simplest Ausftthrungsform from a permeable cylinder jacket and a wholly or partially closed bottom.

Bei den bekannten Filtern bestehen die gegebenenfalls mehrschichtigen Filtermäntel aus den verschiedensten Materialien zum Beispiel mit Durchtrittsbohrungen versehenem Metall, Papier und so weiter, je nach dem Verwendungszweck des S ters. Bekannt sind auch bereits Filter aus Kunststoff. Diese werden bisher als Brunnenfilter verwendet und bestehen aus einem zylindrischen Filterantel aus Kunststoff, der mit längs- und querverlaufenden Reihen von Filteröffnungen versehen ist. Der Filtermantel wird hierbei durch Extrudieren hergestellt, wobei während der Extrusion aus einem Spritzkopf die Filteröffnungen im filtermantel angebracht werden.In the case of the known filters, there are optionally multilayered ones Filter jackets made from a wide variety of materials for example with Through-drilled metal, paper and so on, depending on the purpose of the star. Filters made of plastic are also already known. These are so far used as a well filter and consist of a cylindrical filter jacket Plastic, which is provided with longitudinal and transverse rows of filter openings is. The filter jacket is produced by extrusion, while the extrusion from an extrusion head, the filter openings are attached in the filter jacket will.

Bs entstehen dadurch in Längs-und Querrichtung-des Filtermantels verlaufende Rippen, die die Filteröffnungen begrenzen.This results in a lengthwise and crosswise direction of the filter jacket Ribs that limit the filter openings.

Die Erfindung befaßt sich mit Filtern aus Kunststoff für die verschiedensten Verwendungszwecke, und zwar insbesondere mit Filtern beziehungsweise Filterkerzen, die aus mehreren S terflächen beziehungsweise aus mehreren Filterteilen bestehen, so daß diese Filter gemäß der Erfindung auch für besondere technische Antorderungen verwendbar sind. Trotz der Verwendbarkeit dieser Filter gemäß der Erfindung für besondere, höhere technische Anforderungen sollen gemäß einer der Erfindung zugrundeliegenden Aufgabe die Filter in ihrem Aufbau und vor allem in der Herstellung einfach sein.The invention is concerned with filters made of plastic for a wide variety of purposes Uses, in particular with filters or filter candles, which consist of several S ter surfaces or several filter parts, so that this filter according to the invention for special technical requirements are usable. Despite the usefulness of these filters according to the invention for special, higher technical requirements should according to one of the underlying requirements of the invention The task of the filters is to be simple in their structure and, above all, in their manufacture.

Die erfindung besteht darein, daß in an sich bekannter Weise mehrere Silterflächen, insbesondere zylindrische Filtermäntel in einem äußeren Filtermantel angeordnet und wenigstens an ihren inden miteinander und mit dem äußeren Filtermantel durch Verschweißen verbunden sind. Die Erfindung befa#t. sich also mit Filtern aus Kunststoff, die mehrere Filterteile beziehungsweise Filterflächen und zwar insbesondere zylindrische Filtermäntel aufweisen, wobei alle diese Teile aus Kunststoff bestehen und an den Enden durch Verschweißen, insbesondere thermisches Verschwei@en miteinander verbunden sind, so daß besondere Verindungsmittel an den Enden der Filter entfallen können. Die Erfindung ermöglicht die Herstellung mehrschichtiger beziehungsweise mehrteiliger Filter auf einfachste Weise und schafft somit erstmals mehrteilige Filter aus Kunststoff für besondere spezielle technische Anwendungen, jedoch mit -einem -im Vergleich zu bisher üblichen und d-bekannten Filtern geringem Kosten- und Materialaufwand.The invention consists in the fact that several in a known manner Filter surfaces, in particular cylindrical filter jackets in an outer filter jacket arranged and at least at their inden with each other and with the outer filter jacket are connected by welding. The invention concerns. So choose with filters Plastic, the several filter parts or filter surfaces, in particular have cylindrical filter jackets, all of these parts being made of plastic and at the ends by welding, in particular thermal welding, to one another are connected, so that special connecting means at the ends of the filter are omitted can. The invention enables the production of multilayer or multi-part filter in the simplest way and thus creates multi-part filters for the first time Plastic filters for special technical applications, but with -a-low cost compared to previously common and d-known filters- and cost of materials.

Vorzugsweise bestehen die Filterflächen, insbesondere Filtermäntel gemä# der Erfindung in an sich bekannter Weise aus extrudierten, längs- und querverlaufenden Strängen, die di-e Filteröffnungen frei lassen. Dabei sind die Filterflächen, insbesondere Filtermäntel so ausgebildet, daß querverlaufende Kunststoffstränge jeweils den Endabschluß der Filterflächen, insbesondere Filtermäntel bilden und miteinander verschweißt sind. Die extrudiert-en, aus längs und quer, also nicht diagonal oder sonstwie verlaufenden Kunststoffsträngen bestehenden Filtermäntel sind sehr einfach als fortlaufender Strang llerstellbar. lurch Abtrennen von Enden des Stranges können die einzelnen zylindrischen oder sonstwie geformten Filtermäntel gebildet werden, wobei nach der erfindung jeweils quer verlaufende Kunststoffstränge die Sndbegrenzung eines Filtermantels bilden und diese querverlaufenden Kunststoffstränge zugleich zur Verbindung der Filtermäntel untereinander beziehungsweise mit Endwandungen aus Kunststoff durch Verschweißen dienen. Dadurch erhalten diese fertigen, mehrteiligen, insbesondere mehrwandigen Filter einen sauberen, einfach herzustellenden Endabschlu#.The filter surfaces, in particular filter jackets, are preferably made according to the invention in a manner known per se from extruded, longitudinal and transverse Strands that leave the filter openings free. Here are the filter surfaces, in particular Filter jackets designed so that transverse plastic strands each form the end of the filter surfaces, in particular filter jackets form and with each other are welded. The extruded, from lengthways and crossways, so not diagonally or Otherwise existing filter jackets running plastic strands are very simple can be developed as a continuous strand. by severing the ends of the strand the individual cylindrical or otherwise shaped filter jackets are formed, wherein according to the invention each transverse plastic strands the limit form a filter jacket and these transverse plastic strands at the same time to connect the filter jackets with each other or with end walls Serving plastic by welding. This gives these finished, multi-part, In particular, multi-walled filters have a clean, easy-to-manufacture end seal.

Weitere Herkmale der Erfindung betreffen die Ausgestaltung von verschiedenartigen Kunsts-toffiltern, insbesondere Filterkerzen, wobei in den Filtern je nach Verwendungszweck mehrere Filterflächen sowie Filtermaterialien, wie Kunststoffschaum, Aktivkohle, Glaswolle und so weiter angeordnet sein können. Diese werden zwischen Filterflächen beziehungsweise Filtermänteln eingeschlossen, wobei die Endflächen der Filter durch Endwandungen, insbesondere aus Kunststoff, verschlossen werden, die mit den Filtermänteln verschweißt sind Nachfolgend werden verschiedene Ausführungsformen von erfindungsgemäßen Filtern anhand der Zeichnungen näher erläutert. Es zeigt: Fig. 1 einen Teil eines Filters gemäß der Erfindung in perspektivischer Draufsicht, teilweise geschnitten, Fig. 2 einen Querschnitt des Filters gemäß Fig. -1, Fig. 3 einen Querschnitt eines Filters mit mehreren Filtermänteln, Fig. 4 einen Querschnitt einer anderen Ausfährungsform eines Filters mit mehreren Mänteln, Fig. 5 einen Schnitt IV-IV des Filters gemäß Fig. 4, Fig, 6 einen Längsschnitt durch einen zylindrischen Filter beziehungsweise durch eine Filterkerze mit mehreren Zylindermänteln, Fig. 7 einen Querschnitt zu Fig. 6, Fig. 8 eine Ausfährungsform eines erfindunpsgeinäßen Filters mit Filtermaterial im Längsschnitt, Fig. 9 einen Längsschnitt durch einen Filter mit einem besonderen Filtereinsatz, Big. 10 einen Querschnitt zu Fig. 9.Further features of the invention relate to the design of various types Plastic filters, in particular filter candles, in the filters depending on the intended use several filter surfaces as well as filter materials such as plastic foam, activated carbon, Glass wool and so on can be arranged. These are between filter surfaces or filter jackets included, with the end faces of the filter through End walls, in particular made of plastic, are closed with the filter jackets are welded Various embodiments are shown below of filters according to the invention explained in more detail with reference to the drawings. It shows: 1 shows a part of a filter according to the invention in a perspective top view, partially sectioned, FIG. 2 shows a cross section of the filter according to FIG. 3 shows a cross section of a filter with a plurality of filter jackets, FIG. 4 shows a cross section another embodiment of a filter with several jackets, FIG. 5 is a section IV-IV of the filter according to FIGS. 4, 6, a longitudinal section through a cylindrical Filter or by a filter candle with several cylinder jackets, Fig. 7 shows a cross section to FIG. 6, 8 shows an embodiment of a According to the invention filter with filter material in longitudinal section, FIG. 9 is a longitudinal section through a filter with a special filter insert, Big. 10 a cross section to Fig. 9.

Die Filter gemäß er Erfindung und zwar insbesondere zylindrische Filterkerzen, bestehen aus durch Extrusion-hergestellten Filterflächen aus Kunststoff und zwar insbesondere zylindrischen Filtermänteln. Diese Filterflächen bezienungsweise Filtermäntel werden durch fortlaufende Extrusion aus einem entsprechend ausgebildeten Spritzkopf hergestellt und zwar derart, d in Längs- und Querrichtung des Filters verlaufende Längs- und Querrippen 10 beziehungsweise 11 entstehen. Diese Längs- und Querrippen 10 beziehungsweise 11 begrenzen in Längs- und Querreihen angeordnete Filteröffmungen 12. Die Filterflächen beziehungsweise Filtermäntel sind von dem extrudierten Strang jeweils so abgeteilt, daß zur Endbegrenzung jeweils eine Querrippe 1-1 dient. Dadurch erhält die Filterfläche, insbesondere der Filtermantel einen sauberen glatten Abschluß.The filter according to the invention, in particular cylindrical filter candles, consist of plastic filter surfaces produced by extrusion in particular cylindrical filter jackets. These filter surfaces or filter jackets are made by continuous extrusion from an appropriately designed extrusion head produced in such a way that d extending in the longitudinal and transverse directions of the filter Longitudinal and transverse ribs 10 and 11 arise. These longitudinal and transverse ribs 10 and 11 respectively delimit filter openings arranged in longitudinal and transverse rows 12. The filter surfaces or filter jackets are from the extruded strand each subdivided so that a transverse rib 1-1 is used for the end delimitation. Through this the filter surface, in particular the filter jacket, receives a clean, smooth finish.

Die dargesteilten Ausführungsbeispiele der Erfindung betreffen mehrteilige Filter und zwar bestehen diese Filter aus einem äußeren zylindrischen Filtermantel 13-und darin aneordneten uerschiedenartirr;en Piltertei-len, Filterflächen und kleineren Filtermänteln.The illustrated embodiments of the invention relate to multi-part Filters, namely these filters consist of an outer cylindrical filter jacket 13-and various different elements arranged therein, filter parts, filter surfaces and smaller ones Filter jackets.

Bei dem Ausführungsbeispiel der Fig. 1 sind in dem äußeren Filtermantel 13 kreuzförmig angeordnete Filterflächen 14 und 15 angebracht. Diese Filterflächen 14 und t5 sind miteinander sowie mit den äußeren Filtermantel 13 durch Verschweißung verbunden, so daß ein stabiler, haltbarer Filter beziehungsweise -eine Filterkerze auf einfache Weise erzielt wird.In the embodiment of Fig. 1 are in the outer filter jacket 13 filter surfaces 14 and 15 arranged in a cross shape are attached. These filter surfaces 14 and t5 are welded to one another and to the outer filter jacket 13 connected, so that a stable, durable filter or filter candle is achieved in a simple manner.

Bei dem Filter gemäß Fig. 3 sind in dem äu#eren Filtermantel 13 mehrere ebenfalls zylindrische Filtermäntel 16 angeordnet.In the case of the filter according to FIG. 3, there are several in the outer filter jacket 13 also cylindrical filter jackets 16 arranged.

Diese Filtermäntel 16 besten ebenfalls aus Längsrippen 10 und Querrippen 11, wobei jeweils eine Querrippe 11 den Endabschu# der Filtermäntel 16 bildet. Die Filtermäntel 16 sind achsparallel, jedoch au#ermittig in dem äußeren Filtermantel angeordnet und durch Verschwei#ung wenigstens der Enden miteinander sowie mit dem äu#eren Filtermantel 13 verbunden.These filter jackets 16 are also best made of longitudinal ribs 10 and transverse ribs 11, with one transverse rib 11 each forming the end section of the filter jackets 16. the Filter jackets 16 are axially parallel, but off-center in the outer filter jacket arranged and by welding at least the ends to one another and to the outer filter jacket 13 connected.

Fig. 4 und 5 zeigen eine ähnliche Ausbildung eines Filters Wie Fis. 3. Mier sind in einem äu#eren Filtermantel 13 ein koaxialer innerer Filtermantel 17 und zwischen dem äu#eren Filtermantel 13 sowie dein inneren Filtermantel 17 weitere achsparallele zylindrische Filternäntel 18 angeordnet. Sämtliche Filtermäntel 13, 17, 18 sind in der bereits beschriebenen weise ausgebildet und wenigstens aii den Enden (Fig. 5) miteinander durch Verschwei#ung verbunden, so da# ein kompliziert aufgebautes Filtergebilde auf einfache Weise erzielt wird.FIGS. 4 and 5 show a similar design of a filter as FIG. 3. In an outer filter jacket 13 there is a coaxial inner filter jacket 17 and between the outer filter jacket 13 and your inner filter jacket 17 more axially parallel cylindrical filter jackets 18 are arranged. All filter jackets 13, 17, 18 are designed in the manner already described and at least aii the Ends (Fig. 5) connected to each other by welding, so that # a complicated constructed filter structure is achieved in a simple manner.

Der Filter gemä# Fig. 6 und 7. bestent aus mehreren, hämlich drei konzentrisch ineinander angeordneten Filtermänteln 13, 19 und 20. Diese sind mit einem radialen Abstand voneinander gehalten uno zwar durch ringfömig Abstandhalter 21 aus kunststoff. Die ringförmigen Abstandhalter 21 sind vorzugsweise an den Enden des Filters an eordnet und durch Velschwei#ung mit den einzelner Filtermänteln 13, 19, 20 verbunden. Dadurch werden einerseits die Filtermäntel 13, 19, 20 in ihrer Relativlage zueinander fixiert und gehalten, andererseits ein dichter Abschluß der Ringspalte zwisenen den einzelen Filtermänteln 13, 19 und 20 erzielt. Die zentrische Hittelöffnung 22 kann hier, wie bei allen atideren Ausfährungsformen, offen sein oder, wenn es der Verwendungszweck erfordert, durch eine Abschlu#wandung (nicht dargestellt) aus Kunststoff anz oder teilweise verschlossen sein., die ?fiit den Filterflächen beziehungsweise FiltermänteIn verschwei#t ist.The filter according to Fig. 6 and 7 consists of several, ugly three concentrically nested filter jackets 13, 19 and 20. These are with a radial distance from each other held by annular spacers 21 made of plastic. The annular spacers 21 are preferably at the ends of the filter and by welding it to the individual filter jackets 13, 19, 20 connected. As a result, the filter jackets 13, 19, 20 are on the one hand in their Relative position to each other fixed and held, on the other hand a tight closure of the Annular gaps between the individual filter jackets 13, 19 and 20 are achieved. The centric Central opening 22 can, as with all other forms of embodiment, open minded or, if the intended use requires it, by means of a closure (not shown) made of plastic or partially closed., the? fiit the Filter surfaces or filter mane # t is welded.

Fig. 8 zeigt eine Ausfährungsform der Erfindung, bei der zwischen einem äu#eren Filtermantel 13 und einem inneren Filtermantel 23 ein im Querchnitt ringförmiger Zwischenraum gebildet ist, der mit Filtermaterial 24, zum Beispiel Glaswolle, kuntsoffschaum, Aktivkohle oder dergleichen gefüllt ist. Der Zwischenraum ist an den Enden durch eine ringförmige Endwandung 25 jeweils verschlossen. Diese Endwandung 2-5 besteht vorzugsweise ebenfalls aus Kunststoff und ist dicht mit den Filtermänteln 13 und 23 durch thermische Schwei#ung verbunden, so da# ein Entweichen des Filtermaterials 24 nicht erfolgen kann. Bei grobmaschigem äu#eren Filtermantel 13 kann auf dessen Innenseite noch ein feinmaschfger Filtermantel 26 angeordnet sein, der an den Enden ebenfalls mit dem äu#eren Filtermantel 13 durch Verschwei#ung verbunden ist.Fig. 8 shows an embodiment of the invention in which between an outer filter jacket 13 and an inner filter jacket 23 in cross section annular space is formed with filter material 24, for example Glass wool, kuntsoffschaum, activated carbon or the like is filled. The gap is closed at the ends by an annular end wall 25. These End wall 2-5 is preferably also made of plastic and is tight with the Filter jackets 13 and 23 connected by thermal welding so that they can escape of the filter material 24 can not take place. With a coarse-meshed outer filter jacket 13, a fine mesh filter jacket 26 can also be arranged on the inside thereof which is also welded to the outer filter jacket 13 at the ends connected is.

Der Filter gemä# Fig. 9 und 10 dient zur Absonderung von Feuchtigkeit aus gasförmigen Medien. Zu diesen Zweck ist in einem äu#eren Filtermantel 13 ein Filterkörper 27 angeordnet, der aus einer Vielzahl von radial gerichteten Kunststoffäden 28 besteht, Diese bürstenartig angeordneten Kunststoffäden 28 füllen das Innere des Filters vollstandig aus. Die Enden des Filters sind mit Endwandungen 29 teilweise verschlossen, die eine Mittelöffnung 30 freilassen. Die Endwandungen 29 sind wiederum mit dem Filtermantel 13 verschwei#t.The filter according to # Fig. 9 and 10 is used to separate humidity from gaseous media. For this purpose there is a 13 in an outer filter jacket Filter body 27 arranged, which consists of a plurality of radially directed plastic threads 28 consists, these brush-like arranged plastic threads 28 fill the interior of the filter completely. The ends of the filter are partially provided with end walls 29 closed, which leave a central opening 30 free. The end walls 29 are again welded to the filter jacket 13.

Durch die Lrfindung werden weite Gebiete der Filtertechnik für Kunststoffilter erschlossen. Die Erfindung ermöglicht die Herstellung von kunststoffiltern mit verhöltnismä#ig komplitiertem Aufbau und für komplizierte, vielfältige technische Anwendungsgebiete, wobei die Herstellung der erfindungsgemä#en Filter im Vergleich zu bisher üblichen Filtern aus anderen Materialein erheblich vereinfacht und verbilligt ist.The invention opens up wide areas of filter technology for plastic filters opened up. The invention enables the production of plastic filters with relative complicated structure and for complicated, diverse technical fields of application, whereby the production of the filters according to the invention is compared to the conventional ones Filtering from other materials is considerably simplified and cheaper.

Claims (1)

A n s p r ü c h e 1. Filter, insbesondere zylindrischer Filter, zum Filtern von Gasen und Flässigkeiten, dadurch gekennzeichnet, da# in an sich bekannter Weise mehrere Filterflächen (14, 15), insbesondere zylindrische Filtermäntel (16, 17, 18, 19, 20, 23, 26) in einen äußeren Filtermantel (13) angeordnet und wenigstens au ihren Enden miteinander und mit dem äu#eren Filtermantel (13) durch Verschwei#en verbunden sind. (Fig. 1 - 10) 2. Filter nach Anspruch 1, dadurch gekennzeichnet, da# die Filterflächen (14, 15) insbesondere Filtermäntel. (16, 17, 18, 19, 20, 23, 26) in an sich bekannter Weise aus längs- und querverlaufenden, Filteräffnungen (12) freilassenden extrudierten Längs- und Querrippen (10, 11) bestehen, wobei Querrippen (11) jeweils den Endabschlu# der Filterfl@chen, insbesondere Filtermäntel bilden und miteinander verschwei#t sing. (Fig. 1 - 10) 3. Filter nach Anspruch 1 und/order 2, dadurch gekennzeichnet, da# mehrere koaxial miteinander angeordnete zylindrische Filtermähtel (13, 19, 20; 23, 26) durch ringförnige ostandhalter (21) beziehungsweise (25) aus Kunststoff oder dergleichen gegeneinander fixiert und an den Enden durch Verschwei#ung miteinander verbunden sind. (Fig. 6 - 8) 4. Filter insbesondere nach Anspruch 1 und/order 2, dadurch gekennzeichnet, da# mehrere zyliadrische Filtermäntel (16, 17, 18) hebeneinander und achsparallel in sinem äu#eren Filtermantel (13) angeordnet und die Ränder der filtermäntel (16, 17, 18). @iteinander sowie wit dew äu#eren Filtermantel (13) verbunaen, insbesondere versonwei#t sind. (Fig. 3 - 5) 5. Filter nach Anspruch 4, dadurch gekennzeichnet, a@b ein mittlerer, innerer Filtermantel (17) koaxial zum äu#eren Filtermantel (13) und zwischen dem inneren und äu#eren Filtermantel (13, 13) mehrere zylindrische, achsparalle Filtermäntel (18) angeordnet sind. (Fig. 4 und 5) 6. Filter nach Anspruch 3 sowie gegebenenfalls einem oder mehreren der weiteren Ansprüche, dadurch gekennzeichnet, daß zwischen kosxial zueinander angeordneten Filtermänteln (13, 23, 26) gepildete ringförmig Zwischenräume mit Filtermaterial (24) gefüllt sind, wobei die Enflächen der Zwischenräume duren ringförmige Endwandugen (25) verschlossen sind, die mit den Filtermänteln (13, 23, 26) verschweißt sind. (Fig. 8) 7i filter nach einen oder mehreren der Ansprüche l bis 6, dadurch gekennzeichnet, da# die Filterflächen, insbesondere Filtermäntel unterschiedliche Maschenweiten aufweisen. A n p r ü c h e 1. Filters, in particular cylindrical filters, for Filtering gases and liquids, characterized in that it is known per se Way several filter surfaces (14, 15), in particular cylindrical filter jackets (16, 17, 18, 19, 20, 23, 26) arranged in an outer filter jacket (13) and at least at their ends to each other and to the outer filter jacket (13) by welding are connected. (Fig. 1 - 10) 2. Filter according to claim 1, characterized in that since # the filter surfaces (14, 15) in particular filter jackets. (16, 17, 18, 19, 20, 23, 26) in a manner known per se from longitudinal and transverse filter openings (12) exposed extruded longitudinal and transverse ribs (10, 11) exist, with transverse ribs (11) each form the end closure of the filter surfaces, in particular filter jackets and welded together. (Fig. 1 - 10) 3. Filter by Claim 1 and / or 2, characterized in that # several are coaxial with one another arranged cylindrical filter mower (13, 19, 20; 23, 26) by annular ostandhalter (21) or (25) made of plastic or the like fixed against each other and are connected to one another at the ends by welding. (Figs. 6-8) 4. Filter in particular according to claim 1 and / or 2, characterized in that # several cylindrical filter jackets (16, 17, 18) lift one another and axially parallel in their outer one Filter jacket (13) arranged and the edges of the filter jackets (16, 17, 18). @ each other as well as with the outer filter jacket (13) connected, in particular welded. (Fig. 3 - 5) 5. Filter according to claim 4, characterized in that a @ b is a middle, inner filter jacket (17) coaxial to the outer filter jacket (13) and between the inner and outer filter jacket (13, 13) several cylindrical, axially parallel filter jackets (18) are arranged. (Fig. 4 and 5) 6. Filter according to claim 3 and optionally one or more of the further claims, characterized in that between filter jackets (13, 23, 26) educated annular spaces are filled with filter material (24), the end surfaces of the interstices are closed by annular end walls (25), which with the filter jackets (13, 23, 26) are welded. (Fig. 8) 7i filter according to one or several of claims 1 to 6, characterized in that # the filter surfaces, in particular Filter jackets have different mesh sizes. (Fig. 1 - 10) 8. Filter nach Anspruch 1, dadurch gekennzeichnet, da# in einem äu#ereh vorzugsweise zylindrischen Filtermantel (13) radial gerichtete, kreuzförmig angeordnete ebene Filterflächen (14, 15) angeordnet sind, die miteinander sowie mit den äu#eren Filtermantel (13) durch Verschwei#ung verbunden sind. (Fig 1 und 2) 9. Filter nach Anspruch 1 sowie gegebenenfalls einem oder mehreren der weiteren Ansprüche, dadurch gekennzeichnet, da# in einem Filtermantel (13) aus Kun'tstoff ein Filterkörper (27) bestehend aus einer Vielzahl von bürstenartig angeordneten, etwa radial gerichteten Eunststoffäden oder dergleichen angeordnet ist, wobei die Endfläche durch gegeb@nenfalls llit einer Mittelöffnung (30) versehenen Endwandungen (29) verschlossen ist, die mit dem Filtermantel (13) verschwei#T sind0 (Fig. 9 und 10)(Fig. 1 - 10) 8. Filter according to claim 1, characterized in that # in an outer preferably cylindrical filter jacket (13) radially directed, Cross-shaped flat filter surfaces (14, 15) are arranged, which with each other and are connected to the outer filter jacket (13) by welding. (Fig 1 and 2) 9. Filter according to claim 1 and optionally one or more of the Further claims, characterized in that in a filter jacket (13) made of plastic a filter body (27) consisting of a plurality of brush-like arranged, approximately Radially directed plastic threads or the like is arranged, the end face through end walls (29) optionally provided with a central opening (30) which are welded to the filter jacket (13) 0 (Fig. 9 and 10)
DE19671611119 1967-06-07 1967-11-08 Plastic filters Pending DE1611119A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CS426268A CS155184B2 (en) 1967-06-07 1968-06-06
CS421068A CS155183B2 (en) 1967-11-08 1968-06-06

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Application Number Priority Date Filing Date Title
DEN0031568 1967-11-08

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DE1611119A1 true DE1611119A1 (en) 1970-10-15

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Application Number Title Priority Date Filing Date
DE19671611119 Pending DE1611119A1 (en) 1967-06-07 1967-11-08 Plastic filters

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DE (1) DE1611119A1 (en)
NL (1) NL6807891A (en)
RO (1) RO55220A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066921A2 (en) * 1981-06-01 1982-12-15 DrM, Dr. Müller AG Filter element
CH703061A1 (en) * 2010-04-19 2011-10-31 Mueller Drm Ag Self-supporting filter element for installing in pressure filter container, has supporting tubes with equal diameter arranged around central tube and connected with each other by auxiliary material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066921A2 (en) * 1981-06-01 1982-12-15 DrM, Dr. Müller AG Filter element
EP0066921A3 (en) * 1981-06-01 1983-05-18 Drm, Dr. Muller Ag Filter element
CH703061A1 (en) * 2010-04-19 2011-10-31 Mueller Drm Ag Self-supporting filter element for installing in pressure filter container, has supporting tubes with equal diameter arranged around central tube and connected with each other by auxiliary material

Also Published As

Publication number Publication date
NL6807891A (en) 1969-05-12
RO55220A (en) 1973-06-11

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