IT958583B - Elemento di copertura per tetti e relativo pprocedimento di fabbrica zione - Google Patents

Elemento di copertura per tetti e relativo pprocedimento di fabbrica zione

Info

Publication number
IT958583B
IT958583B IT5010472A IT5010472A IT958583B IT 958583 B IT958583 B IT 958583B IT 5010472 A IT5010472 A IT 5010472A IT 5010472 A IT5010472 A IT 5010472A IT 958583 B IT958583 B IT 958583B
Authority
IT
Italy
Prior art keywords
manufacturing process
roofing element
related manufacturing
roofing
manufacturing
Prior art date
Application number
IT5010472A
Other languages
English (en)
Original Assignee
Johns Manville
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 Johns Manville filed Critical Johns Manville
Application granted granted Critical
Publication of IT958583B publication Critical patent/IT958583B/it

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/003—Pulping cellulose-containing materials with organic compounds
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/02—Roof covering by making use of flexible material, e.g. supplied in roll form of materials impregnated with sealing substances, e.g. roofing felt

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Laminated Bodies (AREA)
IT5010472A 1971-05-07 1972-05-06 Elemento di copertura per tetti e relativo pprocedimento di fabbrica zione IT958583B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14130971A 1971-05-07 1971-05-07

Publications (1)

Publication Number Publication Date
IT958583B true IT958583B (it) 1973-10-30

Family

ID=22495134

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5010472A IT958583B (it) 1971-05-07 1972-05-06 Elemento di copertura per tetti e relativo pprocedimento di fabbrica zione

Country Status (4)

Country Link
BE (1) BE783073A (it)
ES (2) ES402402A1 (it)
IT (1) IT958583B (it)
NL (1) NL7206156A (it)

Also Published As

Publication number Publication date
ES402402A1 (es) 1976-02-01
BE783073A (fr) 1972-11-06
ES205539U (es) 1976-02-01
NL7206156A (en) 1972-11-09
ES205539Y (es) 1976-06-01

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