Molding machine
AssigneesKao Corporation, Tahara Machinery Limited
InventorsMasashi Ogura, Mitsuo Yamanoi
Life of this patent
Estimating the term…
Abstract
The invention resides in a rotary blow molding machine in which under an extruder for extruding a parison, a turntable is arranged which has plural sets of molds mounted thereon for holding the parison therebetween and blow-molding the parison, the turntable is rotated by a motor, an annular driven gear is provided on the turntable, and one pair of idle gears are made to intervene between the driven gear and a driving gear for transmitting the rotation of the motor so as to intermesh with both the gears.
Claims9
In a mold pipe line connecting structure of a molding machine in which a pipe line provided in a mold fixture plate and a pipe line provided in molds are connected with each other under conditions such that the molds are fixed on the mold fixture plate, the improvement wherein:
- a connection end of one pipe line of a pair of pipe lines to be connected with each other comprises a male connecting part, and a connection end of the other pipe line of said pair of pipe lines comprises a female connecting part connectable with said male connecting part;
- said male connecting part including a small-diametered part which is flexibly fixed and supported in a supporting hole of an elastic plate positioned on either the mold fixture plate or molds;
- and
- said male connecting part being insertable into said female connecting part with a sealing material arranged therebetween to seal the connection therebetween;
- wherein said sealing material comprises at least one resilient O-ring positioned between said male and female connecting parts.
Dependencies are inferred from the claim text.