SE8207050D0 - SPRING ELEMENT AND SET AND APPARATUS FOR ITS MANUFACTURING - Google Patents

SPRING ELEMENT AND SET AND APPARATUS FOR ITS MANUFACTURING

Info

Publication number
SE8207050D0
SE8207050D0 SE8207050A SE8207050A SE8207050D0 SE 8207050 D0 SE8207050 D0 SE 8207050D0 SE 8207050 A SE8207050 A SE 8207050A SE 8207050 A SE8207050 A SE 8207050A SE 8207050 D0 SE8207050 D0 SE 8207050D0
Authority
SE
Sweden
Prior art keywords
mould
resilient
plastic
impart
manufacturing
Prior art date
Application number
SE8207050A
Other languages
Swedish (sv)
Other versions
SE8207050L (en
SE438632B (en
Inventor
E L Beckman
Original Assignee
Memo Tool Ab
Beckmans Mekaniska Verkstad Ab
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 Memo Tool Ab, Beckmans Mekaniska Verkstad Ab filed Critical Memo Tool Ab
Publication of SE8207050L publication Critical patent/SE8207050L/en
Publication of SE8207050D0 publication Critical patent/SE8207050D0/en
Publication of SE438632B publication Critical patent/SE438632B/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F1/00—Sheets temporarily attached together without perforating; Means therefor
    • B42F1/02—Paper-clips or like fasteners
    • B42F1/10—Paper-clips or like fasteners non-metallic
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/7343—Heating or cooling of the mould heating or cooling different mould parts at different temperatures
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/735—Heating or cooling of the mould heating a mould part and cooling another mould part during moulding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Springs (AREA)
  • Supports Or Holders For Household Use (AREA)

Abstract

A resilient element, for example a clip (16, 17), a method of producing this element and a mould for the production of the resilient element. The resilient element is of plastic and its resilience is obtained by casting the plastic in a mould (1, 2) in which the opposite walls of the mould cavity in the area (15) which is intended to impart resilient properties to the element are held at different temperatures during the solidification of the plastic material. Only after the element being taken out of the mould does it receive its final shape. Shrinkage of material is here utilized actively to impart the resilient properties to the element.
SE8207050A 1981-03-19 1982-12-09 SPRING ELEMENT SE438632B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8101760A SE428447B (en) 1981-03-19 1981-03-19 SET TO MAKE A RESISTANT ELEMENT OF PLASTIC

Publications (3)

Publication Number Publication Date
SE8207050L SE8207050L (en) 1982-12-09
SE8207050D0 true SE8207050D0 (en) 1982-12-09
SE438632B SE438632B (en) 1985-04-29

Family

ID=20343375

Family Applications (2)

Application Number Title Priority Date Filing Date
SE8101760A SE428447B (en) 1981-03-19 1981-03-19 SET TO MAKE A RESISTANT ELEMENT OF PLASTIC
SE8207050A SE438632B (en) 1981-03-19 1982-12-09 SPRING ELEMENT

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE8101760A SE428447B (en) 1981-03-19 1981-03-19 SET TO MAKE A RESISTANT ELEMENT OF PLASTIC

Country Status (3)

Country Link
DK (1) DK147538C (en)
SE (2) SE428447B (en)
WO (1) WO1982003204A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006003545B4 (en) 2006-01-24 2012-06-06 "Durable" Hunke & Jochheim Gmbh & Co. Kg Designed as an injection molded part nameplate and method for producing this nameplate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1187966A (en) * 1966-06-03 1970-04-15 W & J Jarvis Ltd Improved Attachment Means for Sheets of Paper and the like.
FR1527582A (en) * 1967-06-16 1968-05-31 Attachment for documents

Also Published As

Publication number Publication date
DK510482A (en) 1982-11-16
DK147538B (en) 1984-09-24
DK147538C (en) 1985-03-18
WO1982003204A1 (en) 1982-09-30
SE8207050L (en) 1982-12-09
SE8101760L (en) 1982-09-20
SE438632B (en) 1985-04-29
SE428447B (en) 1983-07-04

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