SE8702644D0 - WEAR RESISTING PERFORATED PLATE - Google Patents

WEAR RESISTING PERFORATED PLATE

Info

Publication number
SE8702644D0
SE8702644D0 SE8702644A SE8702644A SE8702644D0 SE 8702644 D0 SE8702644 D0 SE 8702644D0 SE 8702644 A SE8702644 A SE 8702644A SE 8702644 A SE8702644 A SE 8702644A SE 8702644 D0 SE8702644 D0 SE 8702644D0
Authority
SE
Sweden
Prior art keywords
sheet
perforated plate
wear resisting
resisting perforated
industry
Prior art date
Application number
SE8702644A
Other languages
Swedish (sv)
Inventor
M Kerkkeinen
J Lassila
M Selkojoki
H Ristolainen
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of SE8702644D0 publication Critical patent/SE8702644D0/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/60—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes
    • C23C8/62—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes only one element being applied
    • C23C8/68—Boronising
    • C23C8/70—Boronising of ferrous surfaces
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/16—Cylinders and plates for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/18—Filters characterised by the openings or pores
    • B01D2201/184—Special form, dimension of the openings, pores of the filtering elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Filtering Materials (AREA)

Abstract

Perforated sheet or drum produced from such a sheet, employed in screens and presses for the crude paper pulp industry and for the papermaking industry, the holes made in the said sheet being either round holes or elongate slots, the said sheet being furthermore completely planar or provided with ribs, ridges, projections, grooves or the like and being characterised in that at least a proportion of the filter surfaces of the said sheet 1 is equipped with a hard surface layer provided with a diffusion coating. <IMAGE>
SE8702644A 1986-06-26 1987-06-25 WEAR RESISTING PERFORATED PLATE SE8702644D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI862725A FI862725A0 (en) 1986-06-26 1986-06-26 SLITFAST HAOLPLATTA.

Publications (1)

Publication Number Publication Date
SE8702644D0 true SE8702644D0 (en) 1987-06-25

Family

ID=8522844

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8702644A SE8702644D0 (en) 1986-06-26 1987-06-25 WEAR RESISTING PERFORATED PLATE

Country Status (5)

Country Link
KR (1) KR880000146A (en)
DE (1) DE3721207A1 (en)
FI (1) FI862725A0 (en)
FR (1) FR2600551A1 (en)
SE (1) SE8702644D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL189490C (en) * 1988-10-14 1997-02-11 Willem Frederik De Bruin Device for selecting shrimps or similar objects from a catch of aquatic animals or the like group of objects.
DE3927202A1 (en) * 1989-08-17 1991-02-21 Fiedler Heinrich Gmbh CYLINDRICAL SIEVE BASKET
DE19820675A1 (en) * 1998-05-08 1999-11-11 Fiedler Heinrich Gmbh Brewing mash lauter tun base zone filter has curved edges minimizing
DE102007039744A1 (en) * 2007-04-18 2008-10-23 Repa Boltersdorf Gmbh Pulper for recycling a batch
DE102011081951A1 (en) * 2011-09-01 2013-03-07 Voith Patent Gmbh Sieve I
CA2895789A1 (en) * 2014-11-21 2016-05-21 Aikawa Iron Works Co., Ltd. Papermaking strainer, foreign material separation apparatus for papermaking, and manufacturing method of papermaking strainer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1553740C3 (en) * 1967-09-25 1975-10-23 The Gillette Co., Boston, Mass. (V.St.A.) Perforated cutting foil for dry razors
DE2407540A1 (en) * 1974-02-16 1975-09-04 Karl Hehl PROCESS FOR MANUFACTURING WEAR-RESISTANT PLASTICIZING SCREWS OR PLASTICIZING CYLINDERS
DE3033074A1 (en) * 1979-09-07 1981-04-02 Alloy Surfaces Co., Inc., Wilmington, Del. METHOD FOR THE DIFFUSION COATING OF THE INSIDE SURFACE OF CAVITIES
FI67588C (en) * 1983-01-26 1985-04-10 Ahlstroem Oy SILPLAOT
DD213695A1 (en) * 1983-02-23 1984-09-19 Florin Stahl Walzwerk DIFFUSION-COATED, WEAR-RESISTANT COMPONENTS
JPS6089574A (en) * 1983-10-21 1985-05-20 Mitsubishi Metal Corp Surface-coated sintered hard alloy member for cutting tool and wear-resistant tool
AT385947B (en) * 1983-12-22 1988-06-10 Ver Edelstahlwerke Ag CARBIDE BODY, IN PARTICULAR CARBIDE CUTTING TOOL
AU570799B2 (en) * 1984-05-17 1988-03-24 Toyota Chuo Kenkyusho K.K. Vapour phase coating of carbide in fluidised bed

Also Published As

Publication number Publication date
DE3721207A1 (en) 1988-01-14
FR2600551A1 (en) 1987-12-31
FI862725A0 (en) 1986-06-26
KR880000146A (en) 1988-03-23

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