JPH0276021U - - Google Patents

Info

Publication number
JPH0276021U
JPH0276021U JP1988154659U JP15465988U JPH0276021U JP H0276021 U JPH0276021 U JP H0276021U JP 1988154659 U JP1988154659 U JP 1988154659U JP 15465988 U JP15465988 U JP 15465988U JP H0276021 U JPH0276021 U JP H0276021U
Authority
JP
Japan
Prior art keywords
screw
flight
view
length
screw flight
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.)
Granted
Application number
JP1988154659U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0628260Y2 (ja
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 JP1988154659U priority Critical patent/JPH0628260Y2/ja
Publication of JPH0276021U publication Critical patent/JPH0276021U/ja
Application granted granted Critical
Publication of JPH0628260Y2 publication Critical patent/JPH0628260Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1988154659U 1988-11-28 1988-11-28 可塑化装置のスクリュ Expired - Fee Related JPH0628260Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988154659U JPH0628260Y2 (ja) 1988-11-28 1988-11-28 可塑化装置のスクリュ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988154659U JPH0628260Y2 (ja) 1988-11-28 1988-11-28 可塑化装置のスクリュ

Publications (2)

Publication Number Publication Date
JPH0276021U true JPH0276021U (OSRAM) 1990-06-11
JPH0628260Y2 JPH0628260Y2 (ja) 1994-08-03

Family

ID=31431590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988154659U Expired - Fee Related JPH0628260Y2 (ja) 1988-11-28 1988-11-28 可塑化装置のスクリュ

Country Status (1)

Country Link
JP (1) JPH0628260Y2 (OSRAM)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231324U (OSRAM) * 1975-08-26 1977-03-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231324U (OSRAM) * 1975-08-26 1977-03-04

Also Published As

Publication number Publication date
JPH0628260Y2 (ja) 1994-08-03

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees