GB659492A - Improvements in rules or scales - Google Patents

Improvements in rules or scales

Info

Publication number
GB659492A
GB659492A GB301249A GB301249A GB659492A GB 659492 A GB659492 A GB 659492A GB 301249 A GB301249 A GB 301249A GB 301249 A GB301249 A GB 301249A GB 659492 A GB659492 A GB 659492A
Authority
GB
United Kingdom
Prior art keywords
engraved
sprayed
printed
scales
lacquer
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
GB301249A
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
Priority to GB301249A priority Critical patent/GB659492A/en
Publication of GB659492A publication Critical patent/GB659492A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Laminated Bodies (AREA)

Abstract

659,492. Rulers; drawing scales. MACLEAN, J. D. Feb. 3, 1949, No. 3012. [Class 97 (iii)] A rule or scale made from two strips 1, 2 of transparent thermoplastic material with bevelled outer edges 6 has the markings 3 process engraved or printed, in reverse, on the flat inner sides. The printed or engraved surfaces are coated with transparent lacquer 4 for protection, sprayed with paint to provide an opaque background 5 and then secured together with glue or cement 7. In a modification only one surface is process engraved or painted. According to the Provisional Specification the inner surfaces are sprayed with coloured lacquer before glueing.
GB301249A 1949-02-03 1949-02-03 Improvements in rules or scales Expired GB659492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB301249A GB659492A (en) 1949-02-03 1949-02-03 Improvements in rules or scales

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB301249A GB659492A (en) 1949-02-03 1949-02-03 Improvements in rules or scales

Publications (1)

Publication Number Publication Date
GB659492A true GB659492A (en) 1951-10-24

Family

ID=9750287

Family Applications (1)

Application Number Title Priority Date Filing Date
GB301249A Expired GB659492A (en) 1949-02-03 1949-02-03 Improvements in rules or scales

Country Status (1)

Country Link
GB (1) GB659492A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000085A1 (en) * 1979-07-09 1981-01-22 I Feingold Indicia bearing geometric instrument
GB2333559A (en) * 1998-01-23 1999-07-28 Victor Macgrain Letterbox flap opener
GB2402910A (en) * 2003-06-17 2004-12-22 Martin Lister Bevelled ruler
FR2942171A1 (en) * 2009-02-13 2010-08-20 Maped TRACING ARTICLE WITH GRADUATION AND / OR PRINTED PATTERNS

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000085A1 (en) * 1979-07-09 1981-01-22 I Feingold Indicia bearing geometric instrument
GB2333559A (en) * 1998-01-23 1999-07-28 Victor Macgrain Letterbox flap opener
GB2402910A (en) * 2003-06-17 2004-12-22 Martin Lister Bevelled ruler
FR2942171A1 (en) * 2009-02-13 2010-08-20 Maped TRACING ARTICLE WITH GRADUATION AND / OR PRINTED PATTERNS
EP2230480A1 (en) 2009-02-13 2010-09-22 Maped Scribing article with graduation and/or printed patterns

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