2/22/2011
7,891,968
Mold base for mold manufacturing thermoplastic containers, and molding device equipped with at least one mold provided with such a base
Lesueur of Sidel Participations, France, developed a mold base for a blow- or stretch-blow molding of thermoplastic containers having a petaloid base with 5 stems which are separated by radiating troughs with convex radially curvilinear base, the base being connected to a body with a diameter .PHI. of 85 to 95 mm; the base includes 5 cavities separated by radiating ridge lines with concave radial ridge having a radius of 2 to 5 mm; the bases of the cavities have each a width of 1.5 to 3.5 mm and are distributed over a circular contour of diameter of base D of 60 to 66 mm; the height of the ridge line is 16.5 to 18 mm; the flanks of the ridge lines are axially concave and the tangent planes at origin form an angle of 52.degree. to 88.degree.  (RDC 8/30/2011)

2/15/2011
7,887,315
Blow mold design
Lane of Amcor, Australia, developed a blow mold shell assembly includes a mold cavity insert defining a mold profile on an inner surface.  A manifold insert is separately formed from the mold cavity insert and is outside the mold cavity insert.  The manifold insert includes at least one coolant channel.  (RDC 8/25/2011)

1/18/2011
7,871,259
Method and device for blow-molding containers
Linke et al of KHS Corpoplast, Germany, have developed an improved blowing wheel for blow molding containers based on an arrangement of the blow mold segments.  (RDC 8/4/2011)

11/2/2011
7,824,174
Metal mold for blow molding
Shiraki of NOK Corporation, Japan has developed a metal mold for blow molding which may prevent a mold biting while maintaining blowing performance and may mold a thermoplastic-elastomer article having a stable shape.  The blow molding metal mold is provided with a ring for loosely surrounding an end part of a parison with a clearance larger than a clearance at the other parts than the parting line.  (RDC 2/22/2011)

10/12/2010
7,811,079
Mold for a container blow molding machine, comprising a grooved mold bottom
Tonga and Lemande of Sidel Participations, France has developed a mold has developed a groove for injected gas to withdraw the container from the mold.  (RDC 1/6/2011)

7,811,506
Mold, molding assemblies and molding processes
Gupta from India has developed a mold for blow  molding two tier array of plastic containers at one time.  (RDC 1/7/2011)

9/7/2010
7,789,987
Method of manufacturing resin hollow body using a blow molding die assembly
Nemoto of Mitsui Chemical has developed a blow molding setup for fuel tanks in which the dies are divided after expansion to assemble predetermined parts inside of the hollow molded body; and the surfaces of the divided dies are, then, joined again.  (RDC 11/28/2010)