TWI410318B - - Google Patents

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Publication number
TWI410318B
TWI410318B TW99147134A TW99147134A TWI410318B TW I410318 B TWI410318 B TW I410318B TW 99147134 A TW99147134 A TW 99147134A TW 99147134 A TW99147134 A TW 99147134A TW I410318 B TWI410318 B TW I410318B
Authority
TW
Taiwan
Prior art keywords
injection
plastic
mold
electromagnet
primer
Prior art date
Application number
TW99147134A
Other languages
Chinese (zh)
Other versions
TW201226155A (en
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 filed Critical
Priority to TW99147134A priority Critical patent/TW201226155A/en
Publication of TW201226155A publication Critical patent/TW201226155A/en
Application granted granted Critical
Publication of TWI410318B publication Critical patent/TWI410318B/zh

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  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The present invention relates to an injection molding method of a door lock component, which includes the following steps: providing a primer with adhesive force above 90 kg/cm2 and heat resistance temperature above 200 degrees Celsius; dipping at least a portion of the surface of an electromagnet with the primer and then placing into a mold; thermally melting a predetermined insulation plastic encapsulation material and then injecting the melted plastic into the mold cavity by controlling the melted plastic injection temperature between 200 to 250 degrees Celsius; providing the mold with at least four runners, that is front, rear, left and right, and a gate, so that the melted plastic is injected into the mold cavity from the top peripheral of the electromagnet; and, controlling the injection pressure and time during the injection stage, so that the injection time is within 6 seconds, and the injection pressure is first set to be high, and lowered along various stages. The door lock component made by the injection molding method will have the bonding surface between metal and plastic not easily forming pores to provide a solid bonding without stripping or deformation, so as to improve the product reliability and economic benefits.
TW99147134A 2010-12-31 2010-12-31 Injection molding method of door lock component TW201226155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW99147134A TW201226155A (en) 2010-12-31 2010-12-31 Injection molding method of door lock component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW99147134A TW201226155A (en) 2010-12-31 2010-12-31 Injection molding method of door lock component

Publications (2)

Publication Number Publication Date
TW201226155A TW201226155A (en) 2012-07-01
TWI410318B true TWI410318B (en) 2013-10-01

Family

ID=46932671

Family Applications (1)

Application Number Title Priority Date Filing Date
TW99147134A TW201226155A (en) 2010-12-31 2010-12-31 Injection molding method of door lock component

Country Status (1)

Country Link
TW (1) TW201226155A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100001502A1 (en) * 2021-01-26 2022-07-26 Assa Abloy Italia S P A METHOD FOR CREATING A LATCH

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10296755A (en) * 1997-04-22 1998-11-10 Sekisui Chem Co Ltd Molding method of fiber reinforced plastic and its mold
US6202276B1 (en) * 1998-12-23 2001-03-20 Tung-Han Chuang Process for manufacturing an electromagnetic interference shielding superplastic alloy foil cladded outer shell product
JP2009101615A (en) * 2007-10-24 2009-05-14 Apic Yamada Corp Transfer resin molding method and transfer molding apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10296755A (en) * 1997-04-22 1998-11-10 Sekisui Chem Co Ltd Molding method of fiber reinforced plastic and its mold
US6202276B1 (en) * 1998-12-23 2001-03-20 Tung-Han Chuang Process for manufacturing an electromagnetic interference shielding superplastic alloy foil cladded outer shell product
JP2009101615A (en) * 2007-10-24 2009-05-14 Apic Yamada Corp Transfer resin molding method and transfer molding apparatus

Also Published As

Publication number Publication date
TW201226155A (en) 2012-07-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees