GB677232A - A method of manufacturing pencils - Google Patents

A method of manufacturing pencils

Info

Publication number
GB677232A
GB677232A GB21074/48A GB2107448A GB677232A GB 677232 A GB677232 A GB 677232A GB 21074/48 A GB21074/48 A GB 21074/48A GB 2107448 A GB2107448 A GB 2107448A GB 677232 A GB677232 A GB 677232A
Authority
GB
United Kingdom
Prior art keywords
nozzle
marking
core
fed
tapered
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
GB21074/48A
Other languages
English (en)
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 GB677232A publication Critical patent/GB677232A/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
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • 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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB21074/48A 1945-09-01 1948-08-10 A method of manufacturing pencils Expired GB677232A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RO290325X 1945-09-01
RO301246X 1946-12-30

Publications (1)

Publication Number Publication Date
GB677232A true GB677232A (en) 1952-08-13

Family

ID=26653470

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21074/48A Expired GB677232A (en) 1945-09-01 1948-08-10 A method of manufacturing pencils

Country Status (5)

Country Link
BE (1) BE483586A (fr)
CH (1) CH290325A (fr)
FR (1) FR982108A (fr)
GB (1) GB677232A (fr)
NL (1) NL83198C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936519A (en) * 1974-04-24 1976-02-03 Milton Crystal Method of extruding foamed plastic sheathed pencils

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037707B1 (fr) * 1971-01-18 1975-12-04
JPS62285812A (ja) * 1986-06-04 1987-12-11 Canon Inc ゴム層付きロ−ラ−の製造方法
CN112158007A (zh) * 2020-10-10 2021-01-01 浙江彭胜文教用品股份有限公司 一种塑料铅笔加工制造设备全自动生产线

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936519A (en) * 1974-04-24 1976-02-03 Milton Crystal Method of extruding foamed plastic sheathed pencils

Also Published As

Publication number Publication date
BE483586A (fr) 1900-01-01
FR982108A (fr) 1951-06-04
NL83198C (fr) 1900-01-01
CH290325A (fr) 1953-04-30

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