DE1940756A1 - Verfahren zur Herstellung von Staeben oder Rohren aus Polytetrafluoraethylen - Google Patents

Verfahren zur Herstellung von Staeben oder Rohren aus Polytetrafluoraethylen

Info

Publication number
DE1940756A1
DE1940756A1 DE19691940756 DE1940756A DE1940756A1 DE 1940756 A1 DE1940756 A1 DE 1940756A1 DE 19691940756 DE19691940756 DE 19691940756 DE 1940756 A DE1940756 A DE 1940756A DE 1940756 A1 DE1940756 A1 DE 1940756A1
Authority
DE
Germany
Prior art keywords
cylinder
piston
powder
rods
rod
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.)
Pending
Application number
DE19691940756
Other languages
German (de)
English (en)
Inventor
Pierre Burelle
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.)
SIREM SOC IND DE RESINES EXTRU
Original Assignee
SIREM SOC IND DE RESINES EXTRU
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 SIREM SOC IND DE RESINES EXTRU filed Critical SIREM SOC IND DE RESINES EXTRU
Publication of DE1940756A1 publication Critical patent/DE1940756A1/de
Pending 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/027—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles having an axis of symmetry
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Press Drives And Press Lines (AREA)
DE19691940756 1968-08-13 1969-08-11 Verfahren zur Herstellung von Staeben oder Rohren aus Polytetrafluoraethylen Pending DE1940756A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR162885 1968-08-13

Publications (1)

Publication Number Publication Date
DE1940756A1 true DE1940756A1 (de) 1970-02-19

Family

ID=8653732

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691940756 Pending DE1940756A1 (de) 1968-08-13 1969-08-11 Verfahren zur Herstellung von Staeben oder Rohren aus Polytetrafluoraethylen

Country Status (9)

Country Link
JP (1) JPS4812058B1 (ru)
BE (1) BE737264A (ru)
DE (1) DE1940756A1 (ru)
ES (1) ES370402A1 (ru)
FR (1) FR1590146A (ru)
GB (1) GB1278109A (ru)
NL (1) NL6912006A (ru)
SE (1) SE353265B (ru)
SU (1) SU388393A3 (ru)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE380546B (sv) * 1974-03-08 1975-11-10 H Karlsson Anordning vid en i ett rorformigt utrymme forskjutbar presskolv, foretredesvis vid apparater for pressning av paraffinpulver e.d. till blockljus
GB2140342A (en) * 1983-05-23 1984-11-28 Barwell Machine & Rubber Group Ram extruders
JP2006167953A (ja) * 2004-12-13 2006-06-29 Toyo Seiki Seisakusho:Kk 再生用合成樹脂熱圧着方法及びその装置
RU2460642C1 (ru) * 2011-06-17 2012-09-10 Государственное образовательное учреждение высшего профессионального образования "Пермский государственный технический университет" Устройство для прессования порошков
CN102794856B (zh) * 2012-07-23 2014-10-29 浙江东氟塑料科技有限公司 大型ptfe管坯模压模具结构及模压方法
RU2527782C1 (ru) * 2012-08-27 2014-09-10 Донецкий физико-технический институт им. А.А. Галкина Национальной академии наук Украины Процесс изготовления упрочненных прутковых изделий из аморфно-кристаллических полимеров
CN106915026A (zh) * 2017-04-27 2017-07-04 南通海利特橡塑机械有限公司 聚四氟乙烯筒状制品模压机

Also Published As

Publication number Publication date
BE737264A (ru) 1970-02-09
FR1590146A (ru) 1970-04-13
ES370402A1 (es) 1971-07-16
SE353265B (ru) 1973-01-29
SU388393A3 (ru) 1973-06-22
GB1278109A (en) 1972-06-14
NL6912006A (ru) 1970-02-17
JPS4812058B1 (ru) 1973-04-18

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee