DE2208107C2 - Formblock zum Extrusionsummanteln eines Kernstrangs - Google Patents

Formblock zum Extrusionsummanteln eines Kernstrangs

Info

Publication number
DE2208107C2
DE2208107C2 DE2208107A DE2208107A DE2208107C2 DE 2208107 C2 DE2208107 C2 DE 2208107C2 DE 2208107 A DE2208107 A DE 2208107A DE 2208107 A DE2208107 A DE 2208107A DE 2208107 C2 DE2208107 C2 DE 2208107C2
Authority
DE
Germany
Prior art keywords
wall
mold block
channel
core
core strand
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.)
Expired
Application number
DE2208107A
Other languages
German (de)
English (en)
Other versions
DE2208107A1 (de
Inventor
Ritchey Owsley Midland Mich. Newman jun.
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of DE2208107A1 publication Critical patent/DE2208107A1/de
Application granted granted Critical
Publication of DE2208107C2 publication Critical patent/DE2208107C2/de
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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • 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
    • B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE2208107A 1971-02-26 1972-02-21 Formblock zum Extrusionsummanteln eines Kernstrangs Expired DE2208107C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11910671A 1971-02-26 1971-02-26

Publications (2)

Publication Number Publication Date
DE2208107A1 DE2208107A1 (de) 1972-09-07
DE2208107C2 true DE2208107C2 (de) 1982-04-15

Family

ID=22382582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2208107A Expired DE2208107C2 (de) 1971-02-26 1972-02-21 Formblock zum Extrusionsummanteln eines Kernstrangs

Country Status (9)

Country Link
JP (1) JPS5640017B1 (enrdf_load_stackoverflow)
BE (1) BE779870A (enrdf_load_stackoverflow)
CA (1) CA971713A (enrdf_load_stackoverflow)
DE (1) DE2208107C2 (enrdf_load_stackoverflow)
FR (1) FR2126252B1 (enrdf_load_stackoverflow)
GB (1) GB1375666A (enrdf_load_stackoverflow)
IT (1) IT948715B (enrdf_load_stackoverflow)
NL (1) NL174917C (enrdf_load_stackoverflow)
SE (1) SE7202352L (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE653675A (enrdf_load_stackoverflow) * 1963-10-02 1965-03-29
US3479425A (en) * 1965-07-22 1969-11-18 Dow Chemical Co Extrusion method
US3480998A (en) * 1967-03-03 1969-12-02 Du Pont Extrusion hopper
US3477099A (en) * 1967-12-21 1969-11-11 Dow Chemical Co Extrusion apparatus

Also Published As

Publication number Publication date
NL7202369A (enrdf_load_stackoverflow) 1972-08-29
CA971713A (en) 1975-07-29
BE779870A (fr) 1972-08-25
IT948715B (it) 1973-06-11
FR2126252B1 (enrdf_load_stackoverflow) 1982-10-01
GB1375666A (enrdf_load_stackoverflow) 1974-11-27
FR2126252A1 (enrdf_load_stackoverflow) 1972-10-06
NL174917B (nl) 1984-04-02
DE2208107A1 (de) 1972-09-07
JPS5640017B1 (enrdf_load_stackoverflow) 1981-09-17
NL174917C (nl) 1984-09-03
SE7202352L (enrdf_load_stackoverflow) 1972-08-28

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination