FR2449159A1 - Poches filtrantes pour substances pulverulentes destinees a l'obtention d'infusions - Google Patents

Poches filtrantes pour substances pulverulentes destinees a l'obtention d'infusions

Info

Publication number
FR2449159A1
FR2449159A1 FR7903719A FR7903719A FR2449159A1 FR 2449159 A1 FR2449159 A1 FR 2449159A1 FR 7903719 A FR7903719 A FR 7903719A FR 7903719 A FR7903719 A FR 7903719A FR 2449159 A1 FR2449159 A1 FR 2449159A1
Authority
FR
France
Prior art keywords
sheet
thermoplastic
prepn
cellulose fibres
mixt
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
FR7903719A
Other languages
English (en)
Inventor
Lino Credali
Paolo Parrini
Domenico Lori
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Priority to FR7903719A priority Critical patent/FR2449159A1/fr
Publication of FR2449159A1 publication Critical patent/FR2449159A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/08—Paper filter inlays therefor to be disposed after use
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/20—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres
    • 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
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1233—Fibre diameter

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laminated Bodies (AREA)

Abstract

LA PRESENTE INVENTION A POUR OBJET LA FABRICATION DE POCHES FILTRANTES EN PAPIER PERMETTANT L'OBTENTION D'INFUSIONS PAR EXTRACTION A L'AIDE DE LIQUIDES DES MATERIAUX PULVERULENTS QU'ELLES CONTIENNENT. CE PROCEDE DE FABRICATION DE POCHES FILTRANTES COMPREND LES OPERATIONS SUIVANTES: A.PREPARATION D'UNE FEUILLE CONSTITUEE DE 5 A 50 EN POIDS DE FIBRILLES D'AU MOINS UN POLYMERE THERMOPLASTIQUE AYANT UNE AIRE SUPERFICIELLE D'AU MOINS 1MG ET DE 95 A 50 EN POIDS DES FIBRES DE CELLULOSE; B.CHAUFFAGE DE LADITE FEUILLE A UNE TEMPERATURE EGALE OU SUPERIEURE A LA TEMPERATURE DE FUSION DU POLYMERE THERMOPLASIQUE QUI CONSTITUE LESDITES FIBRILLES, OU DU POLYMERE THERMOPLASTIQUE AYANT LA TEMPERATURE LA PLUS BASSE PARMI CEUX QUI CONSTITUENT LESDITES FIBRILLE; C.REFROIDISSEMENT DE LA FEUILLE AINSI OBTENUE, A UNE TEMPERATURE INFERIEURE A CELLE DE LADITE FUSION; D.CONFECTION DE LA POCHE FILTRANTE AVEC LADITE FEUILLE. L'INVENTION PERMET LA REALISATION DE PREPARATIONS D'INFUSIONS ET PARTICULIEREMENT DE BOISSONS TELLES QUE CAFE, THE, EXTRAITS DE CEREALES TORREFIEES, TISANES, ETC.
FR7903719A 1979-02-14 1979-02-14 Poches filtrantes pour substances pulverulentes destinees a l'obtention d'infusions Pending FR2449159A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7903719A FR2449159A1 (fr) 1979-02-14 1979-02-14 Poches filtrantes pour substances pulverulentes destinees a l'obtention d'infusions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7903719A FR2449159A1 (fr) 1979-02-14 1979-02-14 Poches filtrantes pour substances pulverulentes destinees a l'obtention d'infusions

Publications (1)

Publication Number Publication Date
FR2449159A1 true FR2449159A1 (fr) 1980-09-12

Family

ID=9221948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903719A Pending FR2449159A1 (fr) 1979-02-14 1979-02-14 Poches filtrantes pour substances pulverulentes destinees a l'obtention d'infusions

Country Status (1)

Country Link
FR (1) FR2449159A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0656224A1 (fr) * 1993-12-01 1995-06-07 PAPCEL - PAPIER UND CELLULOSE, TECHNOLOGIE UND HANDELS-GmbH Matière filtrante
WO2000028832A1 (fr) * 1998-11-13 2000-05-25 Compañia Internacional De Cafes, S.A. Cofesa Nouveau produit a base de cafe emballe destine a etre infuse, son procede de preparation et ses applications

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2414833A (en) * 1944-05-09 1947-01-28 C H Dexter & Sons Inc Thermoplastic paper and process of preparing the same
GB903719A (en) * 1957-09-14 1962-08-15 Ernst Liegel Seitz An improved filtering medium
US3183096A (en) * 1962-06-06 1965-05-11 Kip Inc Coffee packet and synthetic filter paper utilized therein
FR2112210A1 (fr) * 1970-09-23 1972-06-16 Dexter Corp
FR2169197A1 (en) * 1972-01-24 1973-09-07 Crown Zellerbach Int Inc Porous sheet - impermeable to water except under pressure of polyolefine and possibly cellulose fibres
DE2341171A1 (de) * 1972-08-15 1974-03-07 Honshu Paper Co Ltd Wasserfestes poroeses papier
FR2265806A1 (fr) * 1974-03-25 1975-10-24 Montedison Spa

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2414833A (en) * 1944-05-09 1947-01-28 C H Dexter & Sons Inc Thermoplastic paper and process of preparing the same
GB903719A (en) * 1957-09-14 1962-08-15 Ernst Liegel Seitz An improved filtering medium
US3183096A (en) * 1962-06-06 1965-05-11 Kip Inc Coffee packet and synthetic filter paper utilized therein
FR2112210A1 (fr) * 1970-09-23 1972-06-16 Dexter Corp
FR2169197A1 (en) * 1972-01-24 1973-09-07 Crown Zellerbach Int Inc Porous sheet - impermeable to water except under pressure of polyolefine and possibly cellulose fibres
DE2341171A1 (de) * 1972-08-15 1974-03-07 Honshu Paper Co Ltd Wasserfestes poroeses papier
FR2265806A1 (fr) * 1974-03-25 1975-10-24 Montedison Spa

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0656224A1 (fr) * 1993-12-01 1995-06-07 PAPCEL - PAPIER UND CELLULOSE, TECHNOLOGIE UND HANDELS-GmbH Matière filtrante
WO2000028832A1 (fr) * 1998-11-13 2000-05-25 Compañia Internacional De Cafes, S.A. Cofesa Nouveau produit a base de cafe emballe destine a etre infuse, son procede de preparation et ses applications
ES2148101A1 (es) * 1998-11-13 2000-10-01 Compania Internacional De Cafe Nuevo producto a base de cafe envasado para infusion, procedimiento para su preparacion y aplicaciones.

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