GB550562A - Improvements in or relating to the manufacture of impregnated paper sheets - Google Patents

Improvements in or relating to the manufacture of impregnated paper sheets

Info

Publication number
GB550562A
GB550562A GB7178/41A GB717841A GB550562A GB 550562 A GB550562 A GB 550562A GB 7178/41 A GB7178/41 A GB 7178/41A GB 717841 A GB717841 A GB 717841A GB 550562 A GB550562 A GB 550562A
Authority
GB
United Kingdom
Prior art keywords
air
valve
conduit
paper sheets
solvent
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.)
Expired
Application number
GB7178/41A
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.)
MUNTERS IND AB
Original Assignee
MUNTERS IND AB
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 MUNTERS IND AB filed Critical MUNTERS IND AB
Publication of GB550562A publication Critical patent/GB550562A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/08—Means for preventing radiation, e.g. with metal foil
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/66—Treating discontinuous paper, e.g. sheets, blanks, rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J1/00—Fibreboard
    • D21J1/16—Special fibreboard
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/04—Hydrocarbons
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/11—Halides
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/61—Bitumen
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/30—Pretreatment of the paper
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
    • D21H23/42—Paper being at least partly surrounded by the material on both sides

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

550,562. Treating materials with liquids. MUNTERS' INDUSTRI AKTIEBOLAG. June 6, 1941, No. 7178. Convention date, June 6, 1940. [Class 15 (i)] [Also in Groups VIII and XIII] Multiple-ply impregnated paper sheets for heat insulation or corrugated board for boxes &c., are made by arranging paper sheets 1, 2, Fig. 1, to form units having internal openended passages, drying the paper if necessary, soaking with asphalt, bitumen, &c., dissolved e.g. in trichlor. ethylene or carbon tetrachloride or as an aqueous emulsion and removing such liquid carrier by circulating air &c., through the passages.of the units. The sheets 1, 2, may be adhered initially as by water-soluble and or heat drying adhesive applied at spaced points 3. As illustrated in Fig. 5, a number of such pads of material are stack ed in rows and tiers with spacing grids in a metal basket 4 allowing free flow of impregnant which is pumped at 20 from a reservoir 18 heated at 47 as by steam, via a valve 21 into an impregnating chamber 13 having a lid 14, an air-circulating conduit 26 with fan 28 and heater 29, an air inlet 48 with a heater 49 and valve 55, and an overflow conduit 25. A conduit 34, 35 in parallel with part of the conduit 26 allows part of the circulating air to be cooled at 33 so that condensed solvent may be returned to a container 15 for mixing with fresh asphalt, provision also being made for some of the air to escape at-31 after solvent vapour has been condensed at 37, 38 and absorbed by active charcoal &c. There is also an air outlet 43 controlled by a valve 44.. In operation after the insulating material has been soaked and drained, hot. air circulation is started to blow out excess impregnating liquid to evaporate most of the solvent, whereupon the valve 55 is opened and heated fresh air drawn in to evaporate the remainder. Alternatively a flap valve 56 may be closed, and finally a damper 46 closed. In modifications the insulating units may be dipped in a separate receptacle or in a receptacle underneath the chamber 13 instead of pumping liquid up at 20.
GB7178/41A 1940-06-06 1941-06-06 Improvements in or relating to the manufacture of impregnated paper sheets Expired GB550562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE550562X 1940-06-06

Publications (1)

Publication Number Publication Date
GB550562A true GB550562A (en) 1943-01-14

Family

ID=20311780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7178/41A Expired GB550562A (en) 1940-06-06 1941-06-06 Improvements in or relating to the manufacture of impregnated paper sheets

Country Status (3)

Country Link
US (1) US2535087A (en)
FR (1) FR893929A (en)
GB (1) GB550562A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839838A (en) * 1947-10-02 1958-06-24 Munters Carl Georg Apparatus for impregnating multilayer paper insulation
US2689413A (en) * 1953-01-05 1954-09-21 Kachuck Mike Dry cleaning apparatus
BE533439A (en) * 1953-11-18
DE1022425B (en) * 1953-12-04 1958-01-09 Clemens Fa Ludwig Insulating plate protecting against heat and / or cold
US3358640A (en) * 1963-04-12 1967-12-19 Kurashiki Rayon Co Device for treating cigarette filter plugs
US4033464A (en) * 1975-12-08 1977-07-05 Diamond Power Specialty Corporation Clip for reflective insulation
US5422147A (en) * 1993-08-12 1995-06-06 Preservation Technologies, Inc. Method and apparatus for the deacidification of library materials

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1218616A (en) * 1912-10-07 1917-03-13 Du Pont Powder Co Process of recovering solvents.
US1228225A (en) * 1912-10-16 1917-05-29 Du Pont Powder Co Apparatus for recovering solvents.
US1090336A (en) * 1913-04-03 1914-03-17 Arthur S O'neil Coating-machine.
US1738794A (en) * 1925-03-06 1929-12-10 Brown Co Method and apparatus for saturating fibrous articles
US1729056A (en) * 1925-10-27 1929-09-24 Texier Daniel Armand Lucian Means for impregnating articles with synthetic resins
US1981234A (en) * 1931-04-23 1934-11-20 American Laundry Mach Co Apparatus for cleaning fabric
US2009232A (en) * 1934-07-24 1935-07-23 John M Hood Apparatus for applying waxes, rosins, oils, etc., to textile fibers, yarns, or fabrics
US2400726A (en) * 1935-09-26 1946-05-21 Howard V Wright Apparatus for treating fabrics
FR840092A (en) * 1937-12-24 1939-04-18 Improved method and apparatus for extracting and fixing in the state of dry powder the active principles originating from living organic matter or fragile products of organic chemistry
US2303257A (en) * 1940-07-31 1942-11-24 Imp Tobacco Company Method and apparatus for impregnating fibrous material

Also Published As

Publication number Publication date
FR893929A (en) 1944-11-14
US2535087A (en) 1950-12-26

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