B29C2045/4233

Cooling plate assembly for an injection molding machine
11090849 · 2021-08-17 · ·

A method for receiving and ejecting molded articles includes: (a) drawing air from a cooling tube cavity into an air channel through a plate bore to draw at least a portion of a molded article into the cavity; (b) moving a valve within the plate bore from a first position for conducting air from the cavity to the air channel to a second position for reducing air flow through the plate bore relative to the first position; and (c) when the valve is in the second position, urging pressurized air from the air channel to the cavity through the plate bore to assist ejection of the molded article from the cavity.

COOLING PLATE ASSEMBLY FOR AN INJECTION MOLDING MACHINE
20190283299 · 2019-09-19 · ·

A method for receiving and ejecting molded articles includes: (a) drawing air from a cooling tube cavity into an air channel through a plate bore to draw at least a portion of a molded article into the cavity; (b) moving a valve within the plate bore from a first position for conducting air from the cavity to the air channel to a second position for reducing air flow through the plate bore relative to the first position; and (c) when the valve is in the second position, urging pressurized air from the air channel to the cavity through the plate bore to assist ejection of the molded article from the cavity.

Handling Device, Removal Station, and Method for Handling Tubular or Elongate Bowl-shaped Workpieces
20240149509 · 2024-05-09 ·

A handling device (1) for tubular or elongate bowl-shaped workpieces such as pipette tips (4) or cups, said workpieces preferably being transported or being able to be transported on a workpiece carrier (T) during the production of said workpieces until packaging, the workpiece carrier (T) having receiving places (5) for the workpieces, which receiving places are arranged in a grid relative to each other, preferably with the stipulation that faulty workpieces located on the workpiece carrier (T) can be detected, and preferably with the stipulation that a removal station (25) is provided, by means of which the faulty workpieces can be removed from the receiving places (5) of a workpiece carrier (T), receiving places (5) thus being freed up, freed-up receiving places (5) of the workpiece carrier (T) being able to be loaded with faultless workpieces by means of the handling device, the handling device comprising a refill magazine (2), which has magazine places (3) arranged next to each other, each magazine place having a holding element (7) that can be moved up and down and that is used to secure and to receive and release a faultless workpiece, with the additional stipulation that each magazine place (3) comprises a guide tube (6), in which the up and down movement of the holding element (7) occurs, the holding element (7) being able to be moved, together with a secured workpiece, into the guide tube (6), and that an acceleration apparatus (V) is provided, by means of which the workpiece can be accelerated out of the guide tube (6) and can be moved to a receiving place (5) of the workpiece carrier (T).

Cooling plate assembly for an injection molding machine
10357911 · 2019-07-23 · ·

A cooling plate assembly includes (a) a cooling plate having a plate front surface; (b) an air channel extending within a thickness of the cooling plate; (c) a plate bore extending into the cooling plate from the plate front surface for providing fluid communication between the air channel and a cavity of a cooling tube mountable to the cooling plate; and (d) a valve within the plate bore. The valve is movable between a first position in which a first air flow passage extending within the plate bore is open for conducting air from the cavity to the air channel, and a second position in which the first air flow passage is obstructed to reduce air flow between the cavity and the air channel, and in which a second air flow passage extending within the plate bore is open for conducting air from the air channel to the cavity.

COOLING PLATE ASSEMBLY FOR AN INJECTION MOLDING MACHINE
20170057140 · 2017-03-02 ·

A cooling plate assembly includes (a) a cooling plate having a plate front surface; (b) an air channel extending within a thickness of the cooling plate; (c) a plate bore extending into the cooling plate from the plate front surface for providing fluid communication between the air channel and a cavity of a cooling tube mountable to the cooling plate; and (d) a valve within the plate bore. The valve is movable between a first position in which a first air flow passage extending within the plate bore is open for conducting air from the cavity to the air channel, and a second position in which the first air flow passage is obstructed to reduce air flow between the cavity and the air channel, and in which a second air flow passage extending within the plate bore is open for conducting air from the air channel to the cavity.

Handling device, removal station, and method for handling tubular or elongate bowl-shaped workpieces
12269198 · 2025-04-08 · ·

A handling device (1) for tubular or elongate bowl-shaped workpieces such as pipette tips (4) or cups, said workpieces preferably being transported or being able to be transported on a workpiece carrier (T) during the production of said workpieces until packaging, the workpiece carrier (T) having receiving places (5) for the workpieces, which receiving places are arranged in a grid relative to each other, preferably with the stipulation that faulty workpieces located on the workpiece carrier (T) can be detected, and preferably with the stipulation that a removal station (25) is provided, by means of which the faulty workpieces can be removed from the receiving places (5) of a workpiece carrier (T), receiving places (5) thus being freed up, freed-up receiving places (5) of the workpiece carrier (T) being able to be loaded with faultless workpieces by means of the handling device, the handling device comprising a refill magazine (2), which has magazine places (3) arranged next to each other, each magazine place having a holding element (7) that can be moved up and down and that is used to secure and to receive and release a faultless workpiece, with the additional stipulation that each magazine place (3) comprises a guide tube (6), in which the up and down movement of the holding element (7) occurs, the holding element (7) being able to be moved, together with a secured workpiece, into the guide tube (6), and that an acceleration apparatus (V) is provided, by means of which the workpiece can be accelerated out of the guide tube (6) and can be moved to a receiving place (5) of the workpiece carrier (T).