CA938759A - Extruders alternatively feeding die in tube making - Google Patents

Extruders alternatively feeding die in tube making

Info

Publication number
CA938759A
CA938759A CA093071A CA93071A CA938759A CA 938759 A CA938759 A CA 938759A CA 093071 A CA093071 A CA 093071A CA 93071 A CA93071 A CA 93071A CA 938759 A CA938759 A CA 938759A
Authority
CA
Canada
Prior art keywords
extruders
tube making
feeding die
alternatively feeding
alternatively
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
CA093071A
Other versions
CA93071S (en
Inventor
W. Burlis Norbert
H. Corbett Joseph
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
Application granted granted Critical
Publication of CA938759A publication Critical patent/CA938759A/en
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
    • B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/19—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
    • 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
    • B29C48/20—Articles comprising two or more components, e.g. co-extruded layers the components being layers one of the layers being a strip, e.g. a partially embedded strip
    • 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
    • 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
    • B29C48/16—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
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials For Medical Uses (AREA)
  • External Artificial Organs (AREA)
CA093071A 1969-10-13 1970-09-14 Extruders alternatively feeding die in tube making Expired CA938759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86561569A 1969-10-13 1969-10-13

Publications (1)

Publication Number Publication Date
CA938759A true CA938759A (en) 1973-12-25

Family

ID=25345892

Family Applications (1)

Application Number Title Priority Date Filing Date
CA093071A Expired CA938759A (en) 1969-10-13 1970-09-14 Extruders alternatively feeding die in tube making

Country Status (4)

Country Link
BE (1) BE757444A (en)
CA (1) CA938759A (en)
GB (1) GB1320213A (en)
SE (1) SE365746B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611516B2 (en) * 1986-06-04 1994-02-16 エクセル株式会社 Hollow molded article partially different in composition and manufacturing apparatus therefor
GB8808403D0 (en) * 1988-04-11 1988-05-11 Ass Elect Ind Extrusion process & apparatus
NL8903052A (en) * 1988-12-12 1990-07-02 Baker Hughes Inc EXTRUDED VARIABLE ENCLOSED SUB-SURFACE LINE AND METHOD FOR MANUFACTURING IT.

Also Published As

Publication number Publication date
BE757444A (en) 1971-03-16
GB1320213A (en) 1973-06-13
SE365746B (en) 1974-04-01

Similar Documents

Publication Publication Date Title
CA938759A (en) Extruders alternatively feeding die in tube making
CA788896A (en) Extruding dies
CA929311A (en) Tube extruding die
CA730059A (en) Extrusion die
AU411170B2 (en) Extrusion die
CA815948A (en) Extrusion die
CA820768A (en) Extrusion die
CA812665A (en) Extrusion dies
CA919871A (en) Adjustable extrusion die
CA829696A (en) Extrusion mandrel
CA950616A (en) Multilayer extrusion die
AU416345B2 (en) Extrusion press
CA806080A (en) Laminating extrusion die
CA735779A (en) Extruder die
AU448461B2 (en) Extruding plastic
CA825798A (en) Press for extruding masses in the plastic state
AU5391969A (en) Die for extruding laminated plastic tube
CA732105A (en) Extrusion dies for plastic materials
CA793726A (en) Extruding plastic tubes
CA745879A (en) Extrusion die
CA743793A (en) Extrusion die
AU292008B2 (en) Improvements in extrusion presses
CA728575A (en) Dual extrusion die
AU3705868A (en) Extrusion press
AU5220369A (en) Extrusion press