DE3022745A1 - Pressverfahren - Google Patents

Pressverfahren

Info

Publication number
DE3022745A1
DE3022745A1 DE19803022745 DE3022745A DE3022745A1 DE 3022745 A1 DE3022745 A1 DE 3022745A1 DE 19803022745 DE19803022745 DE 19803022745 DE 3022745 A DE3022745 A DE 3022745A DE 3022745 A1 DE3022745 A1 DE 3022745A1
Authority
DE
Germany
Prior art keywords
bore
molded part
powder
parts
piston
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.)
Withdrawn
Application number
DE19803022745
Other languages
German (de)
English (en)
Inventor
David M Howe
Jeffrey B Otto
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.)
Rogers Corp
Original Assignee
Rogers Corp
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 Rogers Corp filed Critical Rogers Corp
Publication of DE3022745A1 publication Critical patent/DE3022745A1/de
Withdrawn legal-status Critical Current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
    • B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
    • 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
    • B29C48/03—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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE19803022745 1979-06-18 1980-06-18 Pressverfahren Withdrawn DE3022745A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4946579A 1979-06-18 1979-06-18

Publications (1)

Publication Number Publication Date
DE3022745A1 true DE3022745A1 (de) 1981-01-22

Family

ID=21959962

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803022745 Withdrawn DE3022745A1 (de) 1979-06-18 1980-06-18 Pressverfahren

Country Status (6)

Country Link
JP (1) JPS5638243A (it)
BE (1) BE883762A (it)
DE (1) DE3022745A1 (it)
FR (1) FR2459126A1 (it)
GB (1) GB2052357A (it)
IT (1) IT1130791B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103624951A (zh) * 2013-12-08 2014-03-12 山东建筑大学 一种高效挤出pa66内齿形齿轮的塑料挤出成形方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421978A1 (de) * 1984-06-14 1985-12-19 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von presskoerpern aus kleinteiligen thermoplastischen polymerisaten
US5169587A (en) * 1990-06-15 1992-12-08 Symplastics Limited Process for extruding large oriented polymer shapes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103624951A (zh) * 2013-12-08 2014-03-12 山东建筑大学 一种高效挤出pa66内齿形齿轮的塑料挤出成形方法
CN103624951B (zh) * 2013-12-08 2016-05-11 山东建筑大学 一种高效挤出pa66内齿形齿轮的塑料挤出成形方法

Also Published As

Publication number Publication date
FR2459126A1 (fr) 1981-01-09
JPS5638243A (en) 1981-04-13
GB2052357A (en) 1981-01-28
BE883762A (fr) 1980-10-01
IT1130791B (it) 1986-06-18
IT8022813A0 (it) 1980-06-16

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee