CA974358A - Positive self-locking and releasing latch assembly for multiple plate members - Google Patents

Positive self-locking and releasing latch assembly for multiple plate members

Info

Publication number
CA974358A
CA974358A CA137,996A CA137996A CA974358A CA 974358 A CA974358 A CA 974358A CA 137996 A CA137996 A CA 137996A CA 974358 A CA974358 A CA 974358A
Authority
CA
Canada
Prior art keywords
locking
plate members
latch assembly
multiple plate
releasing latch
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
CA137,996A
Other versions
CA137996S (en
Inventor
Herman J. Drazick
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA974358A publication Critical patent/CA974358A/en
Expired legal-status Critical Current

Links

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
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • 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
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • B29C2045/2604—Latching means for successive opening or closing of mould plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CA137,996A 1971-04-01 1972-03-23 Positive self-locking and releasing latch assembly for multiple plate members Expired CA974358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13029971A 1971-04-01 1971-04-01

Publications (1)

Publication Number Publication Date
CA974358A true CA974358A (en) 1975-09-16

Family

ID=22444025

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137,996A Expired CA974358A (en) 1971-04-01 1972-03-23 Positive self-locking and releasing latch assembly for multiple plate members

Country Status (9)

Country Link
US (1) US3706116A (en)
JP (1) JPS5227654B1 (en)
BE (1) BE781575A (en)
CA (1) CA974358A (en)
DE (1) DE2215506C3 (en)
FR (1) FR2132319B1 (en)
GB (1) GB1376789A (en)
IT (1) IT952316B (en)
SE (1) SE385807B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1055759B (en) * 1976-01-09 1982-01-11 Olivetti E C Spa REFINEMENTS FOR AN INJECTION PRESS FOR MOLDING OF PLASTIC AND SIMILAR MATERIALS
DE3000798C2 (en) * 1980-01-11 1982-09-09 HASCO-Normalien Hasenclever & Co, 5880 Lüdenscheid Device for a temporary fixed coupling of mold plates which can be moved relative to one another to at least two parting planes
US4541795A (en) * 1984-07-31 1985-09-17 James R. Goldberg Injection mold for a bottle closure device
US5104308A (en) * 1990-03-08 1992-04-14 Morton Ray H Mold plate control mechanism for a multiple plate mold
US5204127A (en) * 1991-05-10 1993-04-20 Composite Products, Inc. Compression molding apparatus
US5451156A (en) * 1994-02-04 1995-09-19 Bermar Associates, Inc. Molding ejector device for interchangeable molds
CA2288702C (en) * 1997-06-04 2001-12-11 National Tool & Manufacturing Co. Mold plate centralizing system
US7963759B1 (en) 2006-11-29 2011-06-21 Custom Products Enterprises, Inc. Mold base hold retainer and method of using
US7614873B1 (en) 2006-11-29 2009-11-10 Custom Products Enterprises, Inc. Mold base hold retainer
US7963758B2 (en) * 2009-06-17 2011-06-21 Progressive Components International Corporation External plate locks for mold plates
US20120177774A1 (en) * 2010-05-17 2012-07-12 Eric Kaufman Ejector retraction mechanism
US20110280985A1 (en) * 2010-05-17 2011-11-17 Santos Adelino C Ejector retraction mechanism
CN104755243A (en) 2012-10-30 2015-07-01 极致组件有限公司 Positioning device for a mold
CN109333922B (en) * 2018-09-12 2020-07-24 如皋市江南金属构件有限公司 Overlap welding mould suitable for frame of overhead working truck

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2319479A (en) * 1939-10-18 1943-05-18 Grotelite Company Self-locking plastic injection mold
US2691799A (en) * 1951-02-19 1954-10-19 Parmelee Plastics Co Injection molding machine
US2718031A (en) * 1951-10-25 1955-09-20 Wilfred G Harvey Operating mechanism for multi-part molding dies
US3541651A (en) * 1968-12-19 1970-11-24 Global Systems Shaft lock for canopy release
US3624674A (en) * 1969-12-15 1971-11-30 Global Systems Releasing device for strap connectors

Also Published As

Publication number Publication date
DE2215506A1 (en) 1972-10-05
JPS5227654B1 (en) 1977-07-21
FR2132319A1 (en) 1972-11-17
FR2132319B1 (en) 1976-03-05
IT952316B (en) 1973-07-20
GB1376789A (en) 1974-12-11
BE781575A (en) 1972-10-02
DE2215506C3 (en) 1978-04-06
SE385807B (en) 1976-07-26
US3706116A (en) 1972-12-19
DE2215506B2 (en) 1977-08-04

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