BE902582A - METHOD AND APPARATUS FOR MAKING A THIN WALL CONTAINER IN THERMOPLASTIC MATERIAL. - Google Patents

METHOD AND APPARATUS FOR MAKING A THIN WALL CONTAINER IN THERMOPLASTIC MATERIAL.

Info

Publication number
BE902582A
BE902582A BE0/215128A BE215128A BE902582A BE 902582 A BE902582 A BE 902582A BE 0/215128 A BE0/215128 A BE 0/215128A BE 215128 A BE215128 A BE 215128A BE 902582 A BE902582 A BE 902582A
Authority
BE
Belgium
Prior art keywords
resin
making
thermoplastic material
thin wall
mold
Prior art date
Application number
BE0/215128A
Other languages
French (fr)
Inventor
J D Murley
M Johnson
Original Assignee
Cosden Technology
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 US06/624,851 external-priority patent/US4552717A/en
Priority claimed from US06/624,560 external-priority patent/US4536148A/en
Application filed by Cosden Technology filed Critical Cosden Technology
Publication of BE902582A publication Critical patent/BE902582A/en

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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • B29C51/06—Combined thermoforming and prestretching, e.g. biaxial stretching using pressure difference for prestretching
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/46—Measuring, controlling or regulating
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

Le procédé pour fabriquer des récipients à paroi mince à partir de résines plastiques comprend les tapes de chauffage de la résine, placement de la résine entre un moule à paraison et une empreinte, et fermeture de ces derniers sur la résine. On applique ensuite une surpression pour forcer la résine dans le moule, puis on déplace un piston mobile dans le moule qui force le résine dans l'empreinte. En appliquant une surpression à l'intérieur du produit en formation, le récipient adopte la forme désirée tout en étant renforcé par orientation bi-axiale. On décrit également un appareil pour réaliser le procédé de l'invention.The method of making thin-walled containers from plastic resins includes the steps of heating the resin, placing the resin between a parison mold and an impression, and closing the latter on the resin. An overpressure is then applied to force the resin into the mold, then a movable piston in the mold is moved which forces the resin into the cavity. By applying an overpressure inside the product being formed, the container adopts the desired shape while being reinforced by bi-axial orientation. An apparatus for carrying out the method of the invention is also described.

BE0/215128A 1984-06-26 1985-06-04 METHOD AND APPARATUS FOR MAKING A THIN WALL CONTAINER IN THERMOPLASTIC MATERIAL. BE902582A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/624,851 US4552717A (en) 1984-06-26 1984-06-26 Process for making a thin walled container from a plastic resin
US06/624,560 US4536148A (en) 1984-06-26 1984-06-26 Apparatus for making a thin walled container from a plastic resin

Publications (1)

Publication Number Publication Date
BE902582A true BE902582A (en) 1985-12-04

Family

ID=27089711

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/215128A BE902582A (en) 1984-06-26 1985-06-04 METHOD AND APPARATUS FOR MAKING A THIN WALL CONTAINER IN THERMOPLASTIC MATERIAL.

Country Status (5)

Country Link
BE (1) BE902582A (en)
DE (1) DE3521237A1 (en)
FR (1) FR2568817A1 (en)
GB (1) GB2160813A (en)
IT (1) IT1184642B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443401A (en) * 1981-12-17 1984-04-17 The Continental Group, Inc. Apparatus for and method of thermoforming plastic cans

Also Published As

Publication number Publication date
GB8512787D0 (en) 1985-06-26
IT1184642B (en) 1987-10-28
DE3521237A1 (en) 1986-01-02
FR2568817A1 (en) 1986-02-14
GB2160813A (en) 1986-01-02
IT8521290A0 (en) 1985-06-26

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COSDEN TECHNOLOGY INC.

Effective date: 19870630