SE513948C2 - Sätt att lösgöra formade plastdetaljer vid formsprutning - Google Patents

Sätt att lösgöra formade plastdetaljer vid formsprutning

Info

Publication number: SE513948C2
Authority: SE; Sweden
Prior art keywords: mandrel; mold; parts; gas; molded plastic
Prior art date: 1997-03-03

Application number

SE9700752A

Other languages

English (en)

Swedish (sv)

Other versions

SE9700752D0 (sv

SE9700752L (sv

Inventor

Lars-Olof Harnfeldt

Original Assignee

Tetra Laval Holdings & Finance

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.)

1997-03-03

Filing date

1997-03-03

Publication date

2000-12-04

1997-03-03 Application filed by Tetra Laval Holdings & Finance filed Critical Tetra Laval Holdings & Finance

1997-03-03 Priority to SE9700752A priority Critical patent/SE513948C2/sv

1997-03-03 Publication of SE9700752D0 publication Critical patent/SE9700752D0/xx

1998-01-19 Priority to AT98100791T priority patent/ATE218964T1/de

1998-01-19 Priority to DE69805880T priority patent/DE69805880T2/de

1998-01-19 Priority to EP98100791A priority patent/EP0862980B1/de

1998-02-27 Priority to KR10-1998-0006296A priority patent/KR100356648B1/ko

1998-03-02 Priority to JP10049242A priority patent/JPH10244562A/ja

1998-09-04 Publication of SE9700752L publication Critical patent/SE9700752L/

2000-12-04 Publication of SE513948C2 publication Critical patent/SE513948C2/sv

Links

239000002991 molded plastic Substances 0.000 title claims abstract description 11
238000001746 injection moulding Methods 0.000 title claims abstract description 8
238000000034 method Methods 0.000 claims abstract description 17
239000004033 plastic Substances 0.000 claims abstract description 13
229920003023 plastic Polymers 0.000 claims abstract description 13
238000007664 blowing Methods 0.000 claims description 3
238000004806 packaging method and process Methods 0.000 abstract description 12
238000002347 injection Methods 0.000 abstract description 7
239000007924 injection Substances 0.000 abstract description 7
239000003570 air Substances 0.000 description 12
238000001816 cooling Methods 0.000 description 5
230000006378 damage Effects 0.000 description 5
239000000463 material Substances 0.000 description 4
238000000465 moulding Methods 0.000 description 4
230000006835 compression Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
229910000906 Bronze Inorganic materials 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
208000027418 Wounds and injury Diseases 0.000 description 1
239000012080 ambient air Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000010974 bronze Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
238000005336 cracking Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
208000014674 injury Diseases 0.000 description 1
238000005304 joining Methods 0.000 description 1
230000007774 longterm Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
-1 polyethylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
239000011148 porous material Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
238000009423 ventilation Methods 0.000 description 1

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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Mechanical Treatment Of Semiconductor (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Processing Of Stones Or Stones Resemblance Materials (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

SE9700752A 1997-03-03 1997-03-03 Sätt att lösgöra formade plastdetaljer vid formsprutning SE513948C2 (sv)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
SE9700752A SE513948C2 (sv)	1997-03-03	1997-03-03	Sätt att lösgöra formade plastdetaljer vid formsprutning
AT98100791T ATE218964T1 (de)	1997-03-03	1998-01-19	Verfahren zum strippen
DE69805880T DE69805880T2 (de)	1997-03-03	1998-01-19	Verfahren zum Strippen
EP98100791A EP0862980B1 (de)	1997-03-03	1998-01-19	Verfahren zum Strippen
KR10-1998-0006296A KR100356648B1 (ko)	1997-03-03	1998-02-27	성형된플라스틱부분을탈형하는방법
JP10049242A JPH10244562A (ja)	1997-03-03	1998-03-02	モールド成形部品の取外し方法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9700752A SE513948C2 (sv)	1997-03-03	1997-03-03	Sätt att lösgöra formade plastdetaljer vid formsprutning

Publications (3)

Publication Number	Publication Date
SE9700752D0 SE9700752D0 (sv)	1997-03-03
SE9700752L SE9700752L (sv)	1998-09-04
SE513948C2 true SE513948C2 (sv)	2000-12-04

Family

ID=20405998

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9700752A SE513948C2 (sv)	1997-03-03	1997-03-03	Sätt att lösgöra formade plastdetaljer vid formsprutning

Country Status (6)

Country	Link
EP (1)	EP0862980B1 (de)
JP (1)	JPH10244562A (de)
KR (1)	KR100356648B1 (de)
AT (1)	ATE218964T1 (de)
DE (1)	DE69805880T2 (de)
SE (1)	SE513948C2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6352426B1 (en)	1998-03-19	2002-03-05	Advanced Plastics Technologies, Ltd.	Mold for injection molding multilayer preforms
AU2001295438A1 (en) *	2000-10-24	2002-05-06	Vikan A/S	Method for moulding a tool handle
SE524052C2 (sv) *	2002-01-21	2004-06-22	Tetra Laval Holdings & Finance	Förpackningsmaskin, enkelt omställbar för tillverkning av olika förpackningstyper
SE524250C2 (sv)	2002-11-29	2004-07-13	Tetra Laval Holdings & Finance	Formsprutningsanordning samt förfarande för öppnande och slutande av en delbar form i en formsprutningsanordning
SE524502C2 (sv) *	2002-11-29	2004-08-17	Tetra Laval Holdings & Finance	Formsprutningsanordning samt förfarande för formsprutning
SE524519C8 (sv)	2002-12-13	2004-11-10	Tetra Laval Holdings & Finance	Förfarande och anordning för vikning av botten av en förpackning samt till en förpackning med en sålunda vikt botten
US7313895B2 (en) *	2004-07-20	2008-01-01	Tetra Laval Holdings & Finance, Sa	Molding unit for forming direct injection molded closures
US7717697B2 (en)	2005-08-30	2010-05-18	Sharon Hutchinson	Methods and systems for controlling mold temperatures
SE531854C2 (sv) *	2007-12-18	2009-08-25	Tetra Laval Holdings & Finance	Anordning för formning av del av förpackningsbehållare
EP4054822B1 (de) *	2019-11-05	2024-10-23	Foboha (Germany) GmbH	Vorrichtung und verfahren zum herstellen von verbundprodukten mit einem spritzgussmerkmal
CN112092411B (zh) *	2020-07-31	2022-03-04	北京卫星制造厂有限公司	一种小口径、长尺寸非等厚薄形矩形管件成型工装及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4521367A (en) *	1981-11-16	1985-06-04	Underwood J Larry	Mold, process of molding, and article molded by such process
CA1204262A (en) *	1985-08-16	1986-05-13	James S. Sheffield	Injection mold apparatus with gas ejection
JPH0767719B2 (ja) *	1989-02-16	1995-07-26	富士写真フイルム株式会社	合成樹脂成形品の離型方法
DE3927199A1 (de) *	1989-08-17	1991-02-21	Tetra Pak Gmbh	Vorrichtung zur herstellung einer fliessmittelpackung
US5282730A (en) *	1991-06-12	1994-02-01	Automotive Plastic Technologies	Retractable gas injection pin for an injection mold
JPH07148792A (ja) *	1993-11-30	1995-06-13	Sekisui Chem Co Ltd	射出成形用金型

1997
- 1997-03-03 SE SE9700752A patent/SE513948C2/sv not_active IP Right Cessation
1998
- 1998-01-19 DE DE69805880T patent/DE69805880T2/de not_active Expired - Fee Related
- 1998-01-19 AT AT98100791T patent/ATE218964T1/de not_active IP Right Cessation
- 1998-01-19 EP EP98100791A patent/EP0862980B1/de not_active Expired - Lifetime
- 1998-02-27 KR KR10-1998-0006296A patent/KR100356648B1/ko not_active Expired - Fee Related
- 1998-03-02 JP JP10049242A patent/JPH10244562A/ja active Pending

Also Published As

Publication number	Publication date
KR100356648B1 (ko)	2003-02-07
DE69805880D1 (de)	2002-07-18
EP0862980A1 (de)	1998-09-09
KR19980079772A (ko)	1998-11-25
JPH10244562A (ja)	1998-09-14
ATE218964T1 (de)	2002-06-15
EP0862980B1 (de)	2002-06-12
SE9700752D0 (sv)	1997-03-03
DE69805880T2 (de)	2002-10-02
SE9700752L (sv)	1998-09-04

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Legal Events

Date	Code	Title	Description
2008-11-25	NUG	Patent has lapsed