GB1166873A - Apparatus For Deep-Drawing Hollow-Bottomed Beakers Made Of Plastics Sheet - Google Patents

Apparatus For Deep-Drawing Hollow-Bottomed Beakers Made Of Plastics Sheet

Info

Publication number
GB1166873A
GB1166873A GB51061/67A GB5106167A GB1166873A GB 1166873 A GB1166873 A GB 1166873A GB 51061/67 A GB51061/67 A GB 51061/67A GB 5106167 A GB5106167 A GB 5106167A GB 1166873 A GB1166873 A GB 1166873A
Authority
GB
United Kingdom
Prior art keywords
mould
die
sheet
bottomed
deep
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
GB51061/67A
Inventor
Detta Borgardt
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.)
Bebo Plastik GmbH and Co Kg
Original Assignee
Bebo Plastik GmbH and Co Kg
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 DEB87421A external-priority patent/DE1301039B/en
Priority claimed from CH1503467A external-priority patent/CH465195A/en
Application filed by Bebo Plastik GmbH and Co Kg filed Critical Bebo Plastik GmbH and Co Kg
Priority to NL6715232A priority Critical patent/NL6715232A/xx
Priority to GB51061/67A priority patent/GB1166873A/en
Priority claimed from NL6715232A external-priority patent/NL6715232A/xx
Priority claimed from FR129384A external-priority patent/FR1545237A/en
Priority claimed from LU54959A external-priority patent/LU54959A1/xx
Priority to US686871A priority patent/US3509246A/en
Publication of GB1166873A publication Critical patent/GB1166873A/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
    • 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

Abstract

1,166,873. Sheet forming. BEBO-PLASTIK G.m.b.H. 9 Nov., 1967, No. 51061/67. Heading B5A. False-bottomed beakers are drawn from heatsoftened plastics sheet material 1 by a cooled female vacuum mould 4, the base of which is provided with an annular recess 10, and a reciprocable die 15 furnished with a complementary collar 18. The die also carries a curved elastomeric disc 21 adapted to engage a step 20 in the female mould. In operation, the sheet is first drawn partly into the mould by vacuum and the die then lowered. Upon full penetration of the die the collar 18 co-operates with the recess 10 to form the rim of the false bottom. Simultaneously the disc 21 engages the step 20 and is distorted to a flat radially expanded condition thus forcing the sheet into contact with the step. The bottom part of the mould is maintained at a higher temperature than the rest by virtue of an insulating ring 11 interposed between the mould and a cooling bath 30.
GB51061/67A 1966-06-04 1967-11-09 Apparatus For Deep-Drawing Hollow-Bottomed Beakers Made Of Plastics Sheet Expired GB1166873A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL6715232A NL6715232A (en) 1966-06-04 1967-11-09
GB51061/67A GB1166873A (en) 1966-06-04 1967-11-09 Apparatus For Deep-Drawing Hollow-Bottomed Beakers Made Of Plastics Sheet
US686871A US3509246A (en) 1966-06-04 1967-11-30 Method and apparatus for deep-drawing hollow-bottom beakers made of plastics sheet

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DEB87421A DE1301039B (en) 1966-06-04 1966-06-04 Method and device for deep-drawing cups made of plastic film with the formation of a hollow bottom
CH1503467A CH465195A (en) 1966-06-04 1967-10-26 Device for deep-drawing hollow bottom cups made of plastic film
NL6715232A NL6715232A (en) 1966-06-04 1967-11-09
GB51061/67A GB1166873A (en) 1966-06-04 1967-11-09 Apparatus For Deep-Drawing Hollow-Bottomed Beakers Made Of Plastics Sheet
FR129384A FR1545237A (en) 1966-06-04 1967-11-23 Device for the production of hollow-bottomed plastic foil cups
LU54959A LU54959A1 (en) 1966-06-04 1967-11-24

Publications (1)

Publication Number Publication Date
GB1166873A true GB1166873A (en) 1969-10-15

Family

ID=27543897

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51061/67A Expired GB1166873A (en) 1966-06-04 1967-11-09 Apparatus For Deep-Drawing Hollow-Bottomed Beakers Made Of Plastics Sheet

Country Status (1)

Country Link
GB (1) GB1166873A (en)

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees