GB171663A - Process for the manufacture of enamelled writing tablets - Google Patents

Process for the manufacture of enamelled writing tablets

Info

Publication number
GB171663A
GB171663A GB6162/21A GB616221A GB171663A GB 171663 A GB171663 A GB 171663A GB 6162/21 A GB6162/21 A GB 6162/21A GB 616221 A GB616221 A GB 616221A GB 171663 A GB171663 A GB 171663A
Authority
GB
United Kingdom
Prior art keywords
enamel
writing
enamelled
manufacture
coating
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
GB6162/21A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB171663A publication Critical patent/GB171663A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D5/00—Coating with enamels or vitreous layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Medicinal Preparation (AREA)

Abstract

171,663. Zulauf, R. Nov. 13, 1920, [Convention date]. Writing-tablets. - An enamel-covered writing- tablet is made by coating an iron sheet with an enamel of the usual composition and then stoving thereon a second coating of a matt or dull enamel, prepared by grinding a fused enamelling mixture of ordinary composition with an excess of white clay, for example 15-22 per cent instead of the usual 8-10 per cent, and an appropriate amount of a colouring-agent.
GB6162/21A 1920-11-14 1921-02-23 Process for the manufacture of enamelled writing tablets Expired GB171663A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEZ11897D DE362485C (en) 1920-11-14 1920-11-14 Process for the production of writing boards
US472864A US1438154A (en) 1920-11-14 1921-05-26 Manufacture of enameled writing tablets

Publications (1)

Publication Number Publication Date
GB171663A true GB171663A (en) 1922-05-18

Family

ID=40428057

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6162/21A Expired GB171663A (en) 1920-11-14 1921-02-23 Process for the manufacture of enamelled writing tablets

Country Status (5)

Country Link
US (1) US1438154A (en)
DE (1) DE362485C (en)
FR (1) FR532977A (en)
GB (1) GB171663A (en)
NL (1) NL7706C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466682A (en) * 1944-05-27 1949-04-12 Ferro Enamel Corp Porcelain enamel finish
US2781636A (en) * 1952-06-23 1957-02-19 Fulmer Res Inst Ltd Low emissivity coatings for metal surfaces

Also Published As

Publication number Publication date
NL7706C (en) 1922-11-15
US1438154A (en) 1922-12-05
FR532977A (en) 1922-02-16
DE362485C (en) 1922-10-28

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