CA2203040A1 - Refillable polyester container and preform for forming the same - Google Patents

Refillable polyester container and preform for forming the same

Info

Publication number
CA2203040A1
CA2203040A1 CA 2203040 CA2203040A CA2203040A1 CA 2203040 A1 CA2203040 A1 CA 2203040A1 CA 2203040 CA2203040 CA 2203040 CA 2203040 A CA2203040 A CA 2203040A CA 2203040 A1 CA2203040 A1 CA 2203040A1
Authority
CA
Canada
Prior art keywords
preform
container
forming
same
polyester container
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
CA 2203040
Other languages
French (fr)
Other versions
CA2203040C (en
Inventor
Suppayan M. Krishnakumar
Wayne N. Collette
Thomas E. Nahill
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.)
Graham Packaging Pet Technologies Inc
Original Assignee
Continental PET Technologies 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
Priority claimed from US07/488,247 external-priority patent/US5066528A/en
Application filed by Continental PET Technologies Inc filed Critical Continental PET Technologies Inc
Publication of CA2203040A1 publication Critical patent/CA2203040A1/en
Application granted granted Critical
Publication of CA2203040C publication Critical patent/CA2203040C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

This relates to a returnable/refillable container in the form of a blow molded polyester biaxially oriented bottle wherein the container includes a domed base construction wherein the wall thickness gradually and smoothly increases to a maximum at the center of the dome. This also relates to a specially configurated preform which is blow molded to form the container and a specially configurated blow mold cavity for receiving a preform having a lower axial projection in the form of an elongated gate without crushing.
CA002203040A 1990-03-05 1990-11-28 Refillable polyester container and preform for forming the same Expired - Fee Related CA2203040C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/488,247 US5066528A (en) 1990-03-05 1990-03-05 Refillable polyester container and preform for forming the same
US488,247 1990-03-05
CA 2031033 CA2031033C (en) 1990-03-05 1990-11-28 Refillable polyester container and preform for forming the same

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA 2031033 Division CA2031033C (en) 1990-03-05 1990-11-28 Refillable polyester container and preform for forming the same

Publications (2)

Publication Number Publication Date
CA2203040A1 true CA2203040A1 (en) 1991-09-06
CA2203040C CA2203040C (en) 2000-02-01

Family

ID=25674386

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002203041A Expired - Fee Related CA2203041C (en) 1990-03-05 1990-11-28 Blow mold for forming a refillable polyester container
CA002203040A Expired - Fee Related CA2203040C (en) 1990-03-05 1990-11-28 Refillable polyester container and preform for forming the same

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002203041A Expired - Fee Related CA2203041C (en) 1990-03-05 1990-11-28 Blow mold for forming a refillable polyester container

Country Status (1)

Country Link
CA (2) CA2203041C (en)

Also Published As

Publication number Publication date
CA2203040C (en) 2000-02-01
CA2203041C (en) 2001-01-16
CA2203041A1 (en) 1991-09-06

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed