JPS62114715U - - Google Patents

Info

Publication number
JPS62114715U
JPS62114715U JP1986002313U JP231386U JPS62114715U JP S62114715 U JPS62114715 U JP S62114715U JP 1986002313 U JP1986002313 U JP 1986002313U JP 231386 U JP231386 U JP 231386U JP S62114715 U JPS62114715 U JP S62114715U
Authority
JP
Japan
Prior art keywords
flights
flight height
flight
flow path
resin
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
JP1986002313U
Other languages
English (en)
Other versions
JPH0347860Y2 (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 JP1986002313U priority Critical patent/JPH0347860Y2/ja
Publication of JPS62114715U publication Critical patent/JPS62114715U/ja
Application granted granted Critical
Publication of JPH0347860Y2 publication Critical patent/JPH0347860Y2/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
    • B29C48/64—Screws with two or more threads
    • B29C48/655—Screws with two or more threads having three or more threads
    • 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)

Description

【図面の簡単な説明】
第１図は本考案実施例のスクリユ要部の正面図
、第２，３図は第１図―線、―線の各断
面図、第４図は本考案の変形実施例であるスクリ
ユの一部切欠正面図、第５図は第４図―線、
―線、―線および―線の各断面図、
第６図は同スクリユの縦断側面図、第７図は第４
図Ｑ―Ｑ線、Ｒ―Ｒ線およびＳ―Ｓ線の各断面図
、第８図は多条偏心フライトのみによる従来の押
出スクリユ要部の断面を含む正面図、第９図は同
フライトの展開模式図、第１０図は第８図―
線、―線、―線および―線の各断面
図、第１１図は従来技術１例の説明図である。 １……押出スクリユ、２……シリンダ、Ａ，Ｂ
，Ｃ，Ｄ……フライト、７……樹脂流路、８……
突起物。

Claims (1)

    【実用新案登録請求の範囲】
  1. 合成樹脂押出スクリユにおけるコンプレツシヨ
    ン部、メータリング部の何れか一方または双方に
    亘つて形成するフライト高さが、その長さに沿い
    漸減および漸増を一定長さごとに反復するように
    構成し、かつ該フライト間にそれと平行する所要
    数のフライトを形成するとともに該フライトの全
    部または大部が、そのフライト高さを前記フライ
    トの漸減、漸増と位相をずらせて漸減および漸増
    を反復するように構成した多条偏心フライトを具
    備するものにおいて、前記押出スクリユとこれを
    囲むシリンダとの間に形成される樹脂流路に、該
    流路内に突出しかつ樹脂溶融状態に応じてその個
    数を増減した突起物を配設することを特徴とする
    合成樹脂押出用スクリユ装置。
JP1986002313U 1986-01-10 1986-01-10 Expired JPH0347860Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986002313U JPH0347860Y2 (ja) 1986-01-10 1986-01-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986002313U JPH0347860Y2 (ja) 1986-01-10 1986-01-10

Publications (2)

Publication Number Publication Date
JPS62114715U true JPS62114715U (ja) 1987-07-21
JPH0347860Y2 JPH0347860Y2 (ja) 1991-10-14

Family

ID=30781039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986002313U Expired JPH0347860Y2 (ja) 1986-01-10 1986-01-10

Country Status (1)

Country Link
JP (1) JPH0347860Y2 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007008831A2 (en) 2005-07-08 2007-01-18 Hill-Rom, Inc. Control unit for patient support
US8593284B2 (en) 2008-09-19 2013-11-26 Hill-Rom Services, Inc. System and method for reporting status of a bed
US9655798B2 (en) 2013-03-14 2017-05-23 Hill-Rom Services, Inc. Multi-alert lights for hospital bed

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329776U (ja) * 1976-08-19 1978-03-14
JPS5518179U (ja) * 1978-07-24 1980-02-05

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1011574B (it) * 1973-05-15 1977-02-10 Roulements Soc Nouvelle Reggispinta per innesti a frizione

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329776U (ja) * 1976-08-19 1978-03-14
JPS5518179U (ja) * 1978-07-24 1980-02-05

Also Published As

Publication number Publication date
JPH0347860Y2 (ja) 1991-10-14

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