GB433995A - Improvements in or relating to pencils and methods of making the same - Google Patents

Improvements in or relating to pencils and methods of making the same

Info

Publication number
GB433995A
GB433995A GB34501/34A GB3450134A GB433995A GB 433995 A GB433995 A GB 433995A GB 34501/34 A GB34501/34 A GB 34501/34A GB 3450134 A GB3450134 A GB 3450134A GB 433995 A GB433995 A GB 433995A
Authority
GB
United Kingdom
Prior art keywords
degreased
pencil
pencils
leads
acid
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
GB34501/34A
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.)
American Lead Pencil Co
Original Assignee
American Lead Pencil Co
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
Priority to FR781976D priority Critical patent/FR781976A/en
Application filed by American Lead Pencil Co filed Critical American Lead Pencil Co
Priority to GB34501/34A priority patent/GB433995A/en
Publication of GB433995A publication Critical patent/GB433995A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
    • B43K19/16—Making non-propelling pencils

Landscapes

  • Detergent Compositions (AREA)

Abstract

433,995. Pencils. VENUS PENCIL CO., Ltd., 173, Lower Clapton Road, London.- (American Lead Pencil Co. ; 500, Willow Avenue, Hoboken, New Jersey, U.S.A.) Nov. 30, 1934, No. 34501. Drawings to Specification. [Class 146 (iii)] Pencil leads containing greasy organic substance are treated to remove adhering grease from the surface, and then cemented to the wooden or like sheaths by glue or other adhesive applied directly to the degreased surface. The surface may be degreased by oxidizing, for example, by immersion in a bath of chromic acid formed by dissolving sodium bichromate or other chromate in sulphuric acid. The degreased leads are washed in water and afterwards, if desired, in an alkaline bath, to remove all traces of acid, before applying the adhesive.
GB34501/34A 1934-11-30 1934-11-30 Improvements in or relating to pencils and methods of making the same Expired GB433995A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR781976D FR781976A (en) 1934-11-30 Improvements to pencils and their manufacturing process
GB34501/34A GB433995A (en) 1934-11-30 1934-11-30 Improvements in or relating to pencils and methods of making the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34501/34A GB433995A (en) 1934-11-30 1934-11-30 Improvements in or relating to pencils and methods of making the same

Publications (1)

Publication Number Publication Date
GB433995A true GB433995A (en) 1935-08-23

Family

ID=10366431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34501/34A Expired GB433995A (en) 1934-11-30 1934-11-30 Improvements in or relating to pencils and methods of making the same

Country Status (2)

Country Link
FR (1) FR781976A (en)
GB (1) GB433995A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834479C3 (en) * 1978-08-05 1981-04-16 Schwan-Stabilo Schwanhäußer GmbH & Co, 8500 Nürnberg Grease pencil
DE4124210A1 (en) * 1991-07-20 1993-01-21 Schwan Stabilo Schwanhaeusser METHOD FOR PRODUCING A PEN

Also Published As

Publication number Publication date
FR781976A (en) 1935-05-25

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