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US 2007/0264385 A1Published application
Valve for controlling air flow in a molded article holder
AssigneeHusky Injection Molding Systems Ltd.
InventorsDerek McCready, Scott Laughton
Life of this patent
Estimating the term…
Abstract
Disclosed, amongst other things, is: (i) a valve (220, 320, 420, 520, 620) for controlling air flow in an air pressure channel (354, 454) of a molded article holder (50, 150, 250, 350, 450); (ii) a molded article holder (350, 450) co-operable with the valve (220, 320, 420, 520, 620); and (iii) a post-mold holding device (315, 415) including the molded article holder (350, 450) and valve (220, 320, 420, 520, 620).
Claims49
A valve (220, 320, 420, 520, 620) for controlling air flow in a molded article holder (50, 150, 250, 350, 450), the valve (220, 320, 420, 520, 620) comprising:
- a body (222, 316, 416, 522, 622) defining a valve chamber (224, 324, 424, 524, 624) for movably receiving a valve element (226, 326, 426, 526, 626), the valve chamber (224, 324, 424, 524, 624) having a device portal (228, 328, 428, 528, 628) and a plenum portal (230, 330, 430, 530, 630), the device portal (228, 328, 428, 528, 628) being spaced apart from the plenum portal (230, 330, 430, 530, 630), in the direction of travel of the valve element (226, 326, 426, 526, 626);
- with a lower air pressure at the plenum portal (230, 330, 430, 530, 630) than the device portal (228, 328, 428, 528, 628):
- the valve element (226, 326, 426, 526, 626) movable to an open position behind the device and plenum portals (228, 328, 428, 528, 628, 230, 330, 430, 530, 630), at least in part;
- with a higher air pressure at the plenum portal (230, 330, 430, 530, 630) than the device portal (228, 328, 428, 528, 628):
- the valve element (226, 326, 426, 526, 626) movable to a blocking position between the device and plenum portals (228, 328, 428, 528, 628, 230, 330, 430, 530, 630) for isolating the device portal (228, 328, 428, 528, 628) from the plenum portal (230, 330, 430, 530, 630).
2 more elements
A molded article holder (350, 450), comprising:
- a body (360, 370, 460, 470) defining a cavity (352, 452) for receiving the molded article (2), a pressure channel (354, 454) in the body (361, 371, 461, 471) extending into the cavity (352, 452) for affecting a pressure induced mobility control of the molded article (2) with respect to the cavity (352, 452);
- and
- a valve (220, 320, 420, 520, 620) for controlling air flow in the pressure channel (354, 454), the valve comprising:
- a body (222, 316, 416, 522, 622) defining a valve chamber (224, 324, 424, 524, 624) for movably receiving a valve element (226, 326, 426, 526, 626), the valve chamber (224, 324, 424, 524, 624) having a device portal (228, 328, 428, 528, 628), connectable to the pressure channel (354, 454), and a plenum portal (230, 330, 430, 530, 630);
- the device portal (228, 328, 428, 528, 628) being spaced apart from the plenum portal (230, 330, 430, 530, 630), in the direction of travel of the valve element (226, 326, 426, 526, 626);
- with a lower air pressure at the plenum portal (230, 330, 430, 530, 630) than the device portal (228, 328, 428, 528, 628):
- the valve element (226, 326, 426, 526, 626) movable to an open position behind the device and plenum portals (228, 328, 428, 528, 628, 230, 330, 430, 530, 630), at least in part;
- with a higher air pressure at the plenum portal (230, 330, 430, 530, 630) than the device portal (228, 328, 428, 528, 628):
- the valve element (226, 326, 426, 526, 626) movable to a blocking position between the device and plenum portals (228, 328, 428, 528, 628, 230, 330, 430, 530, 630) for isolating the device portal (228, 328, 428, 528, 628) from the plenum portal (230, 330, 430, 530, 630).
6 more elements
A post-mold holding device (315, 415), comprising:
- a molded article holder (350, 450), comprising:
- a body (360, 370, 460, 470) defining a cavity (352, 452) for receiving the molded article (2), a pressure channel (354, 454) in the body (361, 371, 461, 471) extending into the cavity (352, 452) for affecting a pressure induced mobility control of the molded article (2) with respect to the cavity (352, 452);
- and
- a valve (220, 320, 420, 520, 620) for controlling air flow in the pressure channel (354, 454), the valve comprising:
- a body (222, 316, 416, 522, 622) defining a valve chamber (224, 324, 424, 524, 624) for movably receiving a valve element (226, 326, 426, 526, 626), the valve chamber (224, 324, 424, 524, 624) having a device portal (228, 328, 428, 528, 628), connectable to the pressure channel (354, 454), and a plenum portal (230, 330, 430, 530, 630), the device portal (228, 328, 428, 528, 628) being spaced apart from the plenum portal (230, 330, 430, 530, 630), in the direction of travel of the valve element (226, 326, 426, 526, 626);
- with a lower air pressure at the plenum portal (230, 330, 430, 530, 630) than the device portal (228, 328, 428, 528, 628):
- the valve element (226, 326, 426, 526, 626) movable to an open position behind the device and plenum portals (228, 328, 428, 528, 628, 230, 330, 430, 530, 630), at least in part;
- with a higher air pressure at the plenum portal (230, 330, 430, 530, 630) than the device portal (228, 328, 428, 528, 628):
- the valve element (226, 326, 426, 526, 626) movable to a blocking position between the device and plenum portals (228, 328, 428, 528, 628, 230, 330, 430, 530, 630) for isolating the device portal (228, 328, 428, 528, 628) from the plenum portal (230, 330, 430, 530, 630).
6 more elements
Dependencies are inferred from the claim text.