NL23143C - - Google Patents

Info

Publication number
NL23143C
NL23143C NL23143DA NL23143C NL 23143 C NL23143 C NL 23143C NL 23143D A NL23143D A NL 23143DA NL 23143 C NL23143 C NL 23143C
Authority
NL
Netherlands
Application number
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.)
Publication date
Application granted granted Critical
Publication of NL23143C publication Critical patent/NL23143C/xx

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
NL23143D 1926-11-13 NL23143C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US148153A US1706728A (en) 1926-11-13 1926-11-13 Pencil-making machine

Publications (1)

Publication Number Publication Date
NL23143C true NL23143C (fr) 1900-01-01

Family

ID=22524526

Family Applications (1)

Application Number Title Priority Date Filing Date
NL23143D NL23143C (fr) 1926-11-13

Country Status (6)

Country Link
US (1) US1706728A (fr)
BE (1) BE346738A (fr)
DE (1) DE496016C (fr)
FR (1) FR702869A (fr)
GB (1) GB280596A (fr)
NL (1) NL23143C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456304A (en) * 1944-04-25 1948-12-14 Louis H Morin Method of forming coaxial cables
US2446057A (en) * 1944-04-25 1948-07-27 Davis Marinsky Plastic casting machine
US2848739A (en) * 1955-09-30 1958-08-26 Western Electric Co Methods of and apparatus for making cellular plastic products
DE1561767B1 (de) * 1967-10-04 1972-07-06 Bayer Ag Schreibstift
DE4003289C2 (de) * 1990-02-04 2000-02-03 Staedtler Fa J S Schreib- oder Malstift mit einem Schaft aus einer Umhüllung aus blatt- oder folienförmigem Material und Verfahren zu dessen Herstellung
WO1991011335A1 (fr) * 1990-02-04 1991-08-08 J.S. Staedtler Gmbh & Co. Crayon pour ecrire ou peindre et procede pour sa fabrication
CN103978809B (zh) * 2014-05-30 2016-03-16 苏州凯丰电子电器有限公司 一种滚筒胶芯机
CN106113998B (zh) * 2016-08-22 2017-06-16 浙江彭胜文教用品股份有限公司 一种加热挤出式的铅笔成型方法
CN108773232A (zh) * 2018-06-05 2018-11-09 安徽得亿文教用品有限公司 一种塑料铅笔铅芯挤出成型模具
CN108824052B (zh) * 2018-06-28 2023-09-26 西南交通大学 一种碎纸处理合成纸质环保铅笔一体机

Also Published As

Publication number Publication date
DE496016C (de) 1930-04-12
FR702869A (fr) 1931-04-18
GB280596A (en) 1928-06-21
BE346738A (fr) 1900-01-01
US1706728A (en) 1929-03-26

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