CA2317871A1 - Method and apparatus for production of tubing - Google Patents

Method and apparatus for production of tubing Download PDF

Info

Publication number
CA2317871A1
CA2317871A1 CA002317871A CA2317871A CA2317871A1 CA 2317871 A1 CA2317871 A1 CA 2317871A1 CA 002317871 A CA002317871 A CA 002317871A CA 2317871 A CA2317871 A CA 2317871A CA 2317871 A1 CA2317871 A1 CA 2317871A1
Authority
CA
Canada
Prior art keywords
mold
continuous path
machine
holders
extruded product
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.)
Granted
Application number
CA002317871A
Other languages
French (fr)
Other versions
CA2317871C (en
Inventor
David Triplett
Gary Winner
Tom Mckeehan
Claude Ellis
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.)
QUALITY MACHINING COMPANY LLC
Original Assignee
QUALITY MACHINING COMPANY LLC
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 QUALITY MACHINING COMPANY LLC filed Critical QUALITY MACHINING COMPANY LLC
Publication of CA2317871A1 publication Critical patent/CA2317871A1/en
Application granted granted Critical
Publication of CA2317871C publication Critical patent/CA2317871C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

A method and apparatus for producing an extruded product includes a machine that cooperates with an extruder. The machine is commonly used as a corrugator and the extruded product is often corrugated piping. The machine has a frame supporting a trackway in a continuous path. A plurality of mold block assemblies travel about the continuous path to form a mold tunnel along a portion of the continuous path. The mold block assemblies include a carriage connected by at least one guide and linear bearings to a pair of mold holders. The mold holders are connected to at least one pair of opposing mold blocks. Guides and directors position the mold block pairs relative to one another while the assemblies travel along the continuous path.
As the holders, and thus the mold block halves, are linearly displaceable from one another, the halves may meet to form the mold tunnel and separate to allow removal of the extruded product.
CA002317871A 1999-09-08 2000-09-08 Method and apparatus for production of tubing Expired - Lifetime CA2317871C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15287799P 1999-09-08 1999-09-08
US60/152,877 1999-09-08

Publications (2)

Publication Number Publication Date
CA2317871A1 true CA2317871A1 (en) 2001-03-08
CA2317871C CA2317871C (en) 2004-11-09

Family

ID=22544834

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002317871A Expired - Lifetime CA2317871C (en) 1999-09-08 2000-09-08 Method and apparatus for production of tubing

Country Status (1)

Country Link
CA (1) CA2317871C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007049653A1 (en) * 2007-10-12 2009-04-16 Unicor Gmbh Apparatus for producing thermoplastic corrugated pipes
CN112477214A (en) * 2020-11-11 2021-03-12 四川文诚管业有限公司 Forming device of corrugated pipe production line

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007049653A1 (en) * 2007-10-12 2009-04-16 Unicor Gmbh Apparatus for producing thermoplastic corrugated pipes
US8727760B2 (en) 2007-10-12 2014-05-20 Unicor Gmbh Device for producing thermoplastic corrugated pipes
CN112477214A (en) * 2020-11-11 2021-03-12 四川文诚管业有限公司 Forming device of corrugated pipe production line
CN112477214B (en) * 2020-11-11 2022-05-17 四川文诚管业有限公司 Forming device of corrugated pipe production line

Also Published As

Publication number Publication date
CA2317871C (en) 2004-11-09

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20200908