JPS5544803A - Preparation for exhaust hole in synthetic resin tank by rotation molding - Google Patents

Preparation for exhaust hole in synthetic resin tank by rotation molding

Info

Publication number
JPS5544803A
JPS5544803A JP11179678A JP11179678A JPS5544803A JP S5544803 A JPS5544803 A JP S5544803A JP 11179678 A JP11179678 A JP 11179678A JP 11179678 A JP11179678 A JP 11179678A JP S5544803 A JPS5544803 A JP S5544803A
Authority
JP
Japan
Prior art keywords
synthetic resin
exhaust hole
bolts
nuts
metal
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
JP11179678A
Other languages
Japanese (ja)
Inventor
Toyoaki Karakida
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.)
YATSUMINE SANGYO KK
Original Assignee
YATSUMINE SANGYO KK
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 YATSUMINE SANGYO KK filed Critical YATSUMINE SANGYO KK
Priority to JP11179678A priority Critical patent/JPS5544803A/en
Publication of JPS5544803A publication Critical patent/JPS5544803A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To provide a reinforced exhaust hole by burying a metal plate with an exhaust hole fastened with bolts to a metal die and with multiple bolt holes in a synthetic resin tank by rotation molding and then removing both the bolts and the resin of the opening part.
CONSTITUTION: Bolts are inserted into bolt holes 3 of a metal plate 1 and nuts are screwed up into a metal mold 6 on its inner surface. Then, powder synthetic resin is thrown into the metal mold 6 and heated. A tank is formed by rotation molding. A clearance is formed by nuts 5 between the metal plate 1 and the metal mold 6, filled with the synthetic resin, and the metal plate 1 and the nuts 5 are inserted. When molding is finished, the bolts are removed, the mold is taken out of the tank, the synthetic resin which blocks an exhaust hole is opened. A hose 7 or a blocking plate 8 is clamped by screwing the bolts 4' into the above-mentioned nuts 4.
COPYRIGHT: (C)1980,JPO&Japio
JP11179678A 1978-09-13 1978-09-13 Preparation for exhaust hole in synthetic resin tank by rotation molding Pending JPS5544803A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11179678A JPS5544803A (en) 1978-09-13 1978-09-13 Preparation for exhaust hole in synthetic resin tank by rotation molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11179678A JPS5544803A (en) 1978-09-13 1978-09-13 Preparation for exhaust hole in synthetic resin tank by rotation molding

Publications (1)

Publication Number Publication Date
JPS5544803A true JPS5544803A (en) 1980-03-29

Family

ID=14570362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11179678A Pending JPS5544803A (en) 1978-09-13 1978-09-13 Preparation for exhaust hole in synthetic resin tank by rotation molding

Country Status (1)

Country Link
JP (1) JPS5544803A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2688441A1 (en) * 1992-03-10 1993-09-17 Traitement Eaux Ste Nale Process and device for manufacturing, by rotomoulding, containers provided with an opening having an internal (female) thread, and containers produced
DE10326835A1 (en) * 2003-06-14 2004-12-30 Volkswagen Ag Restriction of plastic flow in an electroformed rotational sintering tool for molding slush skins involves positioning of inserts of heat insulating material in desired areas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2688441A1 (en) * 1992-03-10 1993-09-17 Traitement Eaux Ste Nale Process and device for manufacturing, by rotomoulding, containers provided with an opening having an internal (female) thread, and containers produced
DE10326835A1 (en) * 2003-06-14 2004-12-30 Volkswagen Ag Restriction of plastic flow in an electroformed rotational sintering tool for molding slush skins involves positioning of inserts of heat insulating material in desired areas

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