JPS5131824B2 - - Google Patents

Info

Publication number
JPS5131824B2
JPS5131824B2 JP47032794A JP3279472A JPS5131824B2 JP S5131824 B2 JPS5131824 B2 JP S5131824B2 JP 47032794 A JP47032794 A JP 47032794A JP 3279472 A JP3279472 A JP 3279472A JP S5131824 B2 JPS5131824 B2 JP S5131824B2
Authority
JP
Japan
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
JP47032794A
Other languages
Japanese (ja)
Other versions
JPS48100479A (ko
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 filed Critical
Priority to JP47032794A priority Critical patent/JPS5131824B2/ja
Publication of JPS48100479A publication Critical patent/JPS48100479A/ja
Publication of JPS5131824B2 publication Critical patent/JPS5131824B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/565—Screws having projections other than the thread, e.g. pins

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molding Of Porous Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP47032794A 1972-04-01 1972-04-01 Expired JPS5131824B2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP47032794A JPS5131824B2 (ko) 1972-04-01 1972-04-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47032794A JPS5131824B2 (ko) 1972-04-01 1972-04-01

Publications (2)

Publication Number Publication Date
JPS48100479A JPS48100479A (ko) 1973-12-18
JPS5131824B2 true JPS5131824B2 (ko) 1976-09-09

Family

ID=12368744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47032794A Expired JPS5131824B2 (ko) 1972-04-01 1972-04-01

Country Status (1)

Country Link
JP (1) JPS5131824B2 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567863B2 (ko) * 1974-03-23 1981-02-20
JPS5339360A (en) * 1976-09-22 1978-04-11 Furukawa Electric Co Ltd Method of producing bridged polyolefin mold
JPS6337915A (ja) * 1986-07-31 1988-02-18 Sekisui Plastics Co Ltd 熱可塑性樹脂発泡体の製法
US9011131B2 (en) 2010-03-11 2015-04-21 Rms Equipment Llc Lug type extruder screw
JP6846243B2 (ja) * 2017-03-10 2021-03-24 マクセル株式会社 発泡成形体の製造方法及び製造装置

Also Published As

Publication number Publication date
JPS48100479A (ko) 1973-12-18

Similar Documents

Publication Publication Date Title
JPS4890467A (ko)
JPS5033157B2 (ko)
JPS4990346A (ko)
JPS4943868A (ko)
JPS4918952A (ko)
JPS4966807A (ko)
JPS4941631U (ko)
JPS4975444U (ko)
SU375552A2 (ko)
CS152925B1 (ko)
CS153169B1 (ko)
JPS496252A (ko)
JPS4898059U (ko)
JPS4890815U (ko)
JPS4890163U (ko)
JPS4876645A (ko)
CS156140B1 (ko)
CS156064B1 (ko)
CS156058B1 (ko)
CS155895B1 (ko)
CS154989B1 (ko)
CS154481B1 (ko)
CS153682B1 (ko)
CH591514A5 (ko)
CH575569A5 (ko)