GB1417922A - Die casting and method of degating - Google Patents

Die casting and method of degating

Info

Publication number
GB1417922A
GB1417922A GB3530073A GB3530073A GB1417922A GB 1417922 A GB1417922 A GB 1417922A GB 3530073 A GB3530073 A GB 3530073A GB 3530073 A GB3530073 A GB 3530073A GB 1417922 A GB1417922 A GB 1417922A
Authority
GB
United Kingdom
Prior art keywords
plate
recess
die
opening
cavity
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
GB3530073A
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.)
Coats and Clark Inc
Original Assignee
Coats and Clark Inc
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 Coats and Clark Inc filed Critical Coats and Clark Inc
Publication of GB1417922A publication Critical patent/GB1417922A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

1417922 Die casting apparatus COATS & CLARK Inc 24 July 1973 [25 July 1972] 35300/73 Heading B3F A die casting apparatus comprises a first die plate 20 having a cavity 22 therein, a second die plate 16 having an opening 26 therethrough, and a third die plate 18 having a recess 32 therein, the die plate 16 being fixed in position and the die plates 20 and 18 being movable relative to the plate 16. Molten metal is introduced into the mould cavity 22 via a nozzle 40, runner 41, recess 32 and the opening 26, the metal in the cavity 22 forming the cast article and the metal in the opening 26 and the recess 32 forming the gate. Movement of the plate 18 away from the plate 16 causes the gate to break away from the cast article and to be withdrawn from the opening 26 since the gate part formed in the recess 32 is held therein by a curved portion 38 of the surface defining the recess. Further movement of the plate 18 causes an ejector pin 33 to strike a fixed part of the apparatus and thus push the gate part out of the recess 32, the gate part undergoing a pivoting movement about the portion 38 as it is ejected. Movement of the plate 20 away from the plate 16 results in ejection of the cast article from the cavity 22.
GB3530073A 1972-07-25 1973-07-24 Die casting and method of degating Expired GB1417922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00274910A US3854521A (en) 1972-07-25 1972-07-25 Self contained metal casting dies

Publications (1)

Publication Number Publication Date
GB1417922A true GB1417922A (en) 1975-12-17

Family

ID=23050111

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3530073A Expired GB1417922A (en) 1972-07-25 1973-07-24 Die casting and method of degating

Country Status (5)

Country Link
US (1) US3854521A (en)
JP (1) JPS5137052B2 (en)
FR (1) FR2193670B1 (en)
GB (1) GB1417922A (en)
IT (1) IT991373B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141957A (en) * 1980-07-23 1985-01-09 Coats & Clark Process for manufacturing internally cast single threaded nut
GB2148763A (en) * 1983-09-30 1985-06-05 Nippon Light Metal Co Metallic mould for die-casting

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412642A (en) * 1982-03-15 1983-11-01 Western Electric Co., Inc. Cast solder leads for leadless semiconductor circuits
US6209431B1 (en) * 1998-10-14 2001-04-03 John L. Wickham Automated degate and trim machine
US20040178538A1 (en) * 2003-03-14 2004-09-16 Guide Corporation In-mold degating system
CN102765165A (en) * 2012-07-23 2012-11-07 泰德兴精密电子（昆山）有限公司 Pouring gate capable of being broken

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283373A (en) * 1963-05-27 1966-11-08 Anchor Bay Mfg Company Inc Multiple wheel weight casting die
FR1384198A (en) * 1963-12-13 1965-01-04 Koehring Co Die casting equipment
FR1421187A (en) * 1964-01-23 1965-12-10 Netstal Ag Maschf Giesserei Method and device for injection molding of thermosetting material
US3627023A (en) * 1969-09-25 1971-12-14 Ibm Apparatus for casting and shearing solidified sprues

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141957A (en) * 1980-07-23 1985-01-09 Coats & Clark Process for manufacturing internally cast single threaded nut
GB2148763A (en) * 1983-09-30 1985-06-05 Nippon Light Metal Co Metallic mould for die-casting

Also Published As

Publication number Publication date
JPS4953128A (en) 1974-05-23
JPS5137052B2 (en) 1976-10-13
US3854521A (en) 1974-12-17
DE2337806A1 (en) 1974-02-07
FR2193670B1 (en) 1977-09-09
IT991373B (en) 1975-07-30
DE2337806B2 (en) 1976-04-15
FR2193670A1 (en) 1974-02-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee