GB2100172B - Collapsible mould cores - Google Patents

Collapsible mould cores

Info

Publication number: GB2100172B
Authority: GB; United Kingdom
Prior art keywords: mould cores; collapsible mould; collapsible; cores; mould
Prior art date: 1981-06-12
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

GB8118139A

Other versions

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.)

Individual

Original Assignee

Individual

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.)

1981-06-12

Filing date

1981-06-12

Publication date

1985-05-22

1981-06-12 Application filed by Individual filed Critical Individual

1981-06-12 Priority to GB8118139A priority Critical patent/GB2100172B/en

1982-12-22 Publication of GB2100172A publication Critical patent/GB2100172A/en

1985-05-22 Application granted granted Critical

1985-05-22 Publication of GB2100172B publication Critical patent/GB2100172B/en

Status Expired legal-status Critical Current

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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4421—Removing or ejecting moulded articles for undercut articles using expansible or collapsible cores
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
- B29C33/485—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling cores or mandrels
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Moulds For Moulding Plastics Or The Like (AREA)

GB8118139A 1981-06-12 1981-06-12 Collapsible mould cores Expired GB2100172B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8118139A GB2100172B (en)	1981-06-12	1981-06-12	Collapsible mould cores

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8118139A GB2100172B (en)	1981-06-12	1981-06-12	Collapsible mould cores

Publications (2)

Publication Number	Publication Date
GB2100172A GB2100172A (en)	1982-12-22
GB2100172B true GB2100172B (en)	1985-05-22

Family

ID=10522470

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8118139A Expired GB2100172B (en)	1981-06-12	1981-06-12	Collapsible mould cores

Country Status (1)

Country	Link
GB (1)	GB2100172B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4533312A (en) *	1982-12-27	1985-08-06	Holdt J W Von	Simplified collapsible mold core
GB8521591D0 (en) *	1985-08-30	1985-10-02	Clarke & Co Moulds Ltd R	Collapsible mould core
NZ217279A (en) *	1985-08-30	1988-06-30	Clarke R & Co Ltd	Collapsible mould core
EP0311711A1 (en) *	1987-10-16	1989-04-19	KLEVOTEC Gesellschaft für rechnergestützte Systemanwendungen mbH&Co.KG	Method for sintering moulded undercut foam articles
WO1999055476A1 (en) *	1998-04-28	1999-11-04	Jonathan Aerospace Materials Europe Ab	Method and device for casting three-dimensional structured objects
DE102016100477B3 (en) *	2016-01-13	2017-02-09	Wiedemann Gmbh	Tool with cooled core
CN109434028B (en) *	2018-12-29	2024-11-26	广东肇庆动力金属股份有限公司	An inner core mold with shrinking function
CN109465400A (en) *	2018-12-29	2019-03-15	广东肇庆动力金属股份有限公司	A retractable inner core mold
CN109434027A (en) *	2018-12-29	2019-03-08	广东肇庆动力金属股份有限公司	A kind of inner core die
CN110509501B (en) *	2019-08-29	2024-05-10	广东机电职业技术学院	Opposite-plug type sliding side concave die mechanism and control method
CN111070594B (en) *	2019-12-30	2022-04-01	青岛海信模具有限公司	Injection mold

1981
- 1981-06-12 GB GB8118139A patent/GB2100172B/en not_active Expired

Also Published As

Publication number	Publication date
GB2100172A (en)	1982-12-22

Publication	Publication Date	Title
GB2132934B (en)	1987-01-21	Collapsible mold core
GB2135236B (en)	1986-08-28	Collapsible cores
GB2102317B (en)	1985-10-09	Internally reinforced core for casting
GB8308006D0 (en)	1983-04-27	Casting moulds
DE3666178D1 (en)	1989-11-16	Collapsible mould core
GB2100172B (en)	1985-05-22	Collapsible mould cores
GB2119303B (en)	1985-12-24	Mould
JPS56128639A (en)	1981-10-08	Wax mold
GB2076671B (en)	1984-05-23	Collapsible disc-toy
DE3268251D1 (en)	1986-02-13	Collapsible crate
DE3269996D1 (en)	1986-04-24	Continuous-casting mould
GB2105312B (en)	1985-03-13	Moulding
GB2105683B (en)	1985-05-22	Collapsible pallet
GB2134840B (en)	1986-04-23	Cooling mould cores
GB8419362D0 (en)	1984-09-05	Casting mould
GB8303688D0 (en)	1983-03-16	Mould making
AU542329B2 (en)	1985-02-21	Collapsible pipe mould
GB8411150D0 (en)	1984-06-06	Casting mould
GB8306778D0 (en)	1983-04-20	Mould box
GB8308509D0 (en)	1983-05-05	Wafer-baking mould
GB8527885D0 (en)	1985-12-18	Collapsible mould core
GB2087055B (en)	1983-11-30	Collapsible coverboards
GB2127356B (en)	1986-09-17	Collapsible trollies
GB2162116B (en)	1987-11-18	Expansible core
AU549889B2 (en)	1986-02-20	Drying cores moulds

Legal Events

Date	Code	Title	Description
1994-02-09	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930612