Static molds – Container-type molding device – And an inner removable core to form recess or opening
Patent
1984-02-14
1985-09-17
Flint, Jr., J. Howard
Static molds
Container-type molding device
And an inner removable core to form recess or opening
425438, 425DIG58, 249 59, 249178, 249180, 249184, B29F 114, B29D 1500, B29C 700
Patent
active
045416052
ABSTRACT:
Present invention relates to a metal mold device comprising a female die, a die frame having a hole and a male die assembly moving along an axis of the hole to produce a plastic molding having an opening with a partially waved inner sidewall. The male die assembly comprises a generally upwardly tapering central base having a rectangular top and four side slopes, a pair of opposed primary slide members and a pair of opposed auxiliary slide members. The primary slide members are strictly mounted on the opposed side slopes respectively while the auxiliary slide members are loosely mounted on the remained opposed side slopes respectively.
REFERENCES:
patent: 3339242 (1967-09-01), Lamb
patent: 3482815 (1969-12-01), Naturale
patent: 3677684 (1972-07-01), Platz
patent: 4019711 (1977-04-01), Altenhof et al.
patent: 4286766 (1981-09-01), von Holdt
Kubota Kazuho
Todoroki Masao
Daiichi-Geyer Kabushiki Kaisha
Flint, Jr. J. Howard
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