DE2208082A1 - Vorrichtung zum Extrudieren eines Schlauches mit unterschiedlichem Durchmesser - Google Patents

Vorrichtung zum Extrudieren eines Schlauches mit unterschiedlichem Durchmesser

Info

Publication number
DE2208082A1
DE2208082A1 DE19722208082 DE2208082A DE2208082A1 DE 2208082 A1 DE2208082 A1 DE 2208082A1 DE 19722208082 DE19722208082 DE 19722208082 DE 2208082 A DE2208082 A DE 2208082A DE 2208082 A1 DE2208082 A1 DE 2208082A1
Authority
DE
Germany
Prior art keywords
line
pressure chambers
injection mold
molten plastic
pressure chamber
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Withdrawn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
DE19722208082
Other languages
German (de)
English (en)
Inventor
Norbert W. University Mo. Burlis (V.StA.)
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.)
Sherwood Medical Co
Original Assignee
Sherwood Medical Industries Inc
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 Sherwood Medical Industries Inc filed Critical Sherwood Medical Industries Inc
Publication of DE2208082A1 publication Critical patent/DE2208082A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0009—Making of catheters or other medical or surgical tubes
    • 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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/388—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a ram or piston
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
DE19722208082 1971-02-25 1972-02-21 Vorrichtung zum Extrudieren eines Schlauches mit unterschiedlichem Durchmesser Withdrawn DE2208082A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11885971A 1971-02-25 1971-02-25

Publications (1)

Publication Number Publication Date
DE2208082A1 true DE2208082A1 (de) 1972-09-14

Family

ID=22381168

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722208082 Withdrawn DE2208082A1 (de) 1971-02-25 1972-02-21 Vorrichtung zum Extrudieren eines Schlauches mit unterschiedlichem Durchmesser

Country Status (9)

Country Link
US (1) US3712782A (https=)
BE (1) BE779610A (https=)
CA (1) CA979165A (https=)
DE (1) DE2208082A1 (https=)
DK (1) DK132745C (https=)
FR (1) FR2126389B1 (https=)
GB (1) GB1365834A (https=)
IT (1) IT946982B (https=)
SE (1) SE7202354L (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333906A (en) * 1979-03-12 1982-06-08 Extracorporeal Medical Specialties, Inc. Process for producing hollow fibers having a non-uniform wall thickness and a non-uniform cross-sectional area
JPS59186563A (ja) * 1983-04-08 1984-10-23 テルモ株式会社 カテ−テルの製造方法
DE3737104A1 (de) * 1987-11-02 1989-05-11 Altenkirchener Kunststoff Schlauchstueck aus elastischem, gut rueckstellbarem kunststoff und verfahren zu seiner herstellung
US5614136A (en) * 1995-03-02 1997-03-25 Scimed Life Systems, Inc. Process to form dimensionally variable tubular members for use in catheter procedures
US5607530A (en) * 1995-08-09 1997-03-04 W.E. Hall Company Polymer diverter system for metal pipe having an integrally formed polymer liner
CN1297387C (zh) * 2003-06-06 2007-01-31 天津市塑料研究所 复合支撑插管的成型工艺
US7951116B2 (en) 2004-11-12 2011-05-31 Boston Scientific Scimed, Inc. Selective surface modification of catheter tubing
GB2538065A (en) 2015-04-30 2016-11-09 M-Flow Tech Ltd Pipe Forming Method
DE102023132852A1 (de) * 2023-11-24 2025-05-28 Technische Universität Darmstadt Körperschaft des öffentlichen Rechts Verfahren zum werkzeuglosen Herstellen einer Hohlstruktur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039141A (en) * 1958-05-12 1962-06-19 American Viscose Corp Apparatus for producing artificial filaments
NL133665C (https=) * 1959-03-04 1900-01-01

Also Published As

Publication number Publication date
GB1365834A (en) 1974-09-04
DK132745B (da) 1976-02-02
US3712782A (en) 1973-01-23
FR2126389A1 (https=) 1972-10-06
FR2126389B1 (https=) 1977-09-02
IT946982B (it) 1973-05-21
CA979165A (en) 1975-12-09
DK132745C (da) 1976-07-12
BE779610A (fr) 1972-06-16
SE7202354L (https=) 1972-08-28

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