JPS5672940A - Manufacture of composed product - Google Patents

Manufacture of composed product

Info

Publication number
JPS5672940A
JPS5672940A JP14971479A JP14971479A JPS5672940A JP S5672940 A JPS5672940 A JP S5672940A JP 14971479 A JP14971479 A JP 14971479A JP 14971479 A JP14971479 A JP 14971479A JP S5672940 A JPS5672940 A JP S5672940A
Authority
JP
Japan
Prior art keywords
retaining part
molding
rotary body
chassis
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.)
Pending
Application number
JP14971479A
Other languages
Japanese (ja)
Inventor
Shinichiro Takahashi
Hiroyuki Yagi
Norio Hasegawa
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP14971479A priority Critical patent/JPS5672940A/en
Publication of JPS5672940A publication Critical patent/JPS5672940A/en
Pending legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To enable smooth rotation by composing a base body and a rotary body rotatably with each other through molding thereof from synthetic resin and by eliminating a molding flash on the rotating surface.
CONSTITUTION: Melted synthetic resin such as ABS resin containing glass is injected into molding dies consisting of the 1st cavity 6 and a core 7 to form a chassis 1 and a retaining part 3 monolithically. Next, the core 7 being used commonly, the chassis 1 is pressed between the core 7 and the 2nd cavity 10 and thereby the tip of the retaining part 3 is transformed into a conical shape. Under the condition, polyacetal resin is injected into the 2nd cavity 10 and thus the rotary body 2 is molded secondarily. On the occasion, by the heat and the pressure of the mold in the secondary molding, the retaining part 3 is transformed into a conical shape. By this, the rotary body 2 turns to be rotatable within the retaining part 3. In addition, since no molding flash and the like are produced within the retaining part 3 of the chassis 1 which is the primary product, the rotation of the rotary body 2 is smooth.
COPYRIGHT: (C)1981,JPO&Japio
JP14971479A 1979-11-19 1979-11-19 Manufacture of composed product Pending JPS5672940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14971479A JPS5672940A (en) 1979-11-19 1979-11-19 Manufacture of composed product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14971479A JPS5672940A (en) 1979-11-19 1979-11-19 Manufacture of composed product

Publications (1)

Publication Number Publication Date
JPS5672940A true JPS5672940A (en) 1981-06-17

Family

ID=15481209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14971479A Pending JPS5672940A (en) 1979-11-19 1979-11-19 Manufacture of composed product

Country Status (1)

Country Link
JP (1) JPS5672940A (en)

Similar Documents

Publication Publication Date Title
JPS53102960A (en) Injection mold
GB1496694A (en) Moulded article having stereographic decorative pattern and method of making the same
JPS5762857A (en) Production of nozzle for casting having slit
JPS5672940A (en) Manufacture of composed product
JPS54145758A (en) Manufacture of cap with packing and its product
JPS5571541A (en) Method of continuous duplicated molding of heat curing resin and thermoplastic resin
JPS53143665A (en) Manufacture of patterned plastic molded article
JPS5232982A (en) Thick-walled plastic molded articles
JPS5240808A (en) Fun made of plastic
JPS5672941A (en) Manufacture of composed product
JPS5596793A (en) Production of diaphragm for speaker
JPS5689536A (en) Mold for compression molding of undercut form
JPS5415959A (en) Production of molded product with flow pattern
JPS5672939A (en) Manufacture of composite product
JPS52129759A (en) Manufacture of extrusion molded articles
JPS5411959A (en) Injection-molded product and method of production
JPS5342230A (en) Plastic molding materials
JPS5421462A (en) Method of molding thermosetting resin containing filler
JPS5424969A (en) Complicated molded resin article and its manufacture
JPS51129329A (en) Method of producing baseball bat
JPS5222246A (en) Mold for fitting mirror holder to ball section of stay of back-mirror via ball joint
JPS5399274A (en) Preparation of porous synthetic resin molded article
JPS5686712A (en) Mold for molding and preparation thereof
JPS51133343A (en) A process for manufacturing synthetic resin products with pearl lustre
JPS5361441A (en) Method of producing ski board