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

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 (enrdf_load_stackoverflow) 1900-01-01

Family

ID=22524526

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446057A (en) * 1944-04-25 1948-07-27 Davis Marinsky Plastic casting machine
US2456304A (en) * 1944-04-25 1948-12-14 Louis H Morin Method of forming coaxial cables
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
WO1991011335A1 (de) * 1990-02-04 1991-08-08 J.S. Staedtler Gmbh & Co. Schreib- oder malstift und verfahren zu dessen herstellung
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
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
GB280596A (en) 1928-06-21
FR702869A (fr) 1931-04-18
DE496016C (de) 1930-04-12
US1706728A (en) 1929-03-26
BE346738A (enrdf_load_stackoverflow) 1900-01-01

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