GB912256A - Improvements in or relating to the manufacture of pistons - Google Patents

Improvements in or relating to the manufacture of pistons

Info

Publication number
GB912256A
GB912256A GB3045861A GB3045861A GB912256A GB 912256 A GB912256 A GB 912256A GB 3045861 A GB3045861 A GB 3045861A GB 3045861 A GB3045861 A GB 3045861A GB 912256 A GB912256 A GB 912256A
Authority
GB
United Kingdom
Prior art keywords
cast
metal
head
blank
forged
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
GB3045861A
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.)
Karl Schmidt GmbH
Original Assignee
Karl Schmidt GmbH
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 Karl Schmidt GmbH filed Critical Karl Schmidt GmbH
Publication of GB912256A publication Critical patent/GB912256A/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
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/0009—Cylinders, pistons
    • B22D19/0027—Cylinders, pistons pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/10—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/0015—Multi-part pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/0084—Pistons  the pistons being constructed from specific materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Forging (AREA)

Abstract

912,256. Making pistons; composite casting. SCHMIDT G.m.b.H., KARL. Aug. 23, 1961 [Aug. 23, 1960], No. 30458/61. Classes 83 (1) and 83 (2). [Also in Group XXVI] In a method of making a light alloy piston in which the head is of a cast material and the shaft is pressed or forged and in which the head may contain a cooling system, ring elements or other metal elements, the cast and forged parts of the piston are joined by means of a fused junction. A cast billet is forged or pressed and, if necessary, finished by machining to form a blank a having a domed surface to which is applied a metal layer d, e.g. zinc prior to inserting it into a chill mould e. A zinc coated cooling system l is positioned on the blank with its inlet and outlet ends engaging the bores g and the head portion of the piston is then cast on. The metal layer d and part of the metal beneath it flows into the annular recess # during pouring. The cast metal may be of a different composition from the blank a. A sand or water cooled metal core is inserted in the cavity b to effect cooling of the head after casting. A ring element m may also be cast in position.
GB3045861A 1960-08-23 1961-08-23 Improvements in or relating to the manufacture of pistons Expired GB912256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESC028368 1960-08-23

Publications (1)

Publication Number Publication Date
GB912256A true GB912256A (en) 1962-12-05

Family

ID=7431089

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3045861A Expired GB912256A (en) 1960-08-23 1961-08-23 Improvements in or relating to the manufacture of pistons

Country Status (2)

Country Link
CH (1) CH404874A (en)
GB (1) GB912256A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471914A (en) * 1966-10-01 1969-10-14 Mahle Kg Method of producing a piston blank containing an annular insert
US3738335A (en) * 1970-11-27 1973-06-12 Daimler Benz Ag Piston for internal combustion engines
GB2173436A (en) * 1985-03-29 1986-10-15 Kolbenschmidt Ag Composite casting process

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR7804521A (en) * 1978-07-12 1980-01-22 Leve Metal Ind Com Sa PROCESS TO PRODUCE PISTON THROUGH FUSION WELDING AND THE RESULTING PRODUCT

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471914A (en) * 1966-10-01 1969-10-14 Mahle Kg Method of producing a piston blank containing an annular insert
US3738335A (en) * 1970-11-27 1973-06-12 Daimler Benz Ag Piston for internal combustion engines
GB2173436A (en) * 1985-03-29 1986-10-15 Kolbenschmidt Ag Composite casting process

Also Published As

Publication number Publication date
CH404874A (en) 1965-12-31

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