The present invention describes a method (600, 600a) of forming bitumen bags (605) for packaging bitumen products into blocks or slabs. Each block/slab of bitumen (200,200a,200b,200c) is encapsulated in the bitumen bag, which is composed of a bitumen compound (160). The bitumen compound (160) is made up of about 10-30% by weight of natural bitumen and about 5-25% by weight of a synthetic rubber polymer and copolymers. The bitumen compound (160) is melted with the bitumen content and is fully miscible with the molten bitumen, leaving no residue but enhances the physical properties of the resultant bitumen mixture.

The present invention describes a method (600, 600a) of forming bitumen bags (605) for packaging bitumen products into blocks or slabs. Each block/slab of bitumen (200,200a,200b,200c) is encapsulated in the bitumen bag, which is composed of a bitumen compound (160). The bitumen compound (160) is made up of about 10-30% by weight of natural bitumen and about 5-25% by weight of a synthetic rubber polymer and copolymers. The bitumen compound (160) is melted with the bitumen content and is fully miscible with the molten bitumen, leaving no residue but enhances the physical properties of the resultant bitumen mixture.

Disclosed is a process for the manufacture of implants or intermediate products of such implants as well as implants and intermediate products obtained by such process. For example, the disclosed process can be used for the manufacture of breast implants, of implants for the thighs, buttocks and calves.

A method of forming a structural oil pan via lost core molding is disclosed. The structural oil pan comprises a bracket portion configured for mounting to the vehicle, a pan portion integrated with the bracket portion and defining an oil reservoir, and a structural section formed via lost core molding and defining a cavity. The method comprises the step of lost core molding by forming a metal core, molding the bracket portion and/or the pan portion about the metal core, and removing the metal core to form the structural section in at least one of the bracket portion and the pan portion. The method also includes co-molding the bracket portion and the pan portion together to form the structural oil pan.

A method of forming a structural oil pan via lost core molding is disclosed. The structural oil pan comprises a bracket portion configured for mounting to the vehicle, a pan portion integrated with the bracket portion and defining an oil reservoir, and a structural section formed via lost core molding and defining a cavity. The method comprises the step of lost core molding by forming a metal core, molding the bracket portion and/or the pan portion about the metal core, and removing the metal core to form the structural section in at least one of the bracket portion and the pan portion. The method also includes co-molding the bracket portion and the pan portion together to form the structural oil pan.

A female die for manufacturing a wall thickness-variable glove and a glove manufactured using the female die. The female die for a wall thickness-variable glove comprises a base (1), an arm portion (2), a palm portion (3), and finger portions. The base (1), the arm portion (2), the palm portion (3) and the finger portions are connected in sequence. The palm portion (3) comprises a palm center member (4) and a palm back member (5) connected to the palm center member (4). The die can be adopted for effectively thickening a hand back portion of the manufactured glove, and therefore the flexibility of other portions of the glove is guaranteed on the premise of effectively protecting the hand back of a doctor, the requirement for protection of the hand back of the doctor under an environment such as an interventional operation is met, and the characteristics of protection and use flexibility are both achieved.

A female die for manufacturing a wall thickness-variable glove and a glove manufactured using the female die. The female die for a wall thickness-variable glove comprises a base (1), an arm portion (2), a palm portion (3), and finger portions. The base (1), the arm portion (2), the palm portion (3) and the finger portions are connected in sequence. The palm portion (3) comprises a palm center member (4) and a palm back member (5) connected to the palm center member (4). The die can be adopted for effectively thickening a hand back portion of the manufactured glove, and therefore the flexibility of other portions of the glove is guaranteed on the premise of effectively protecting the hand back of a doctor, the requirement for protection of the hand back of the doctor under an environment such as an interventional operation is met, and the characteristics of protection and use flexibility are both achieved.

A variable textured breast implant can be formed using a mandrel and a shield device. The shield device can receiving a stem and posterior section of the mandrel to provide a seal between a base engaging surface of the shield device and a posterior section of the mandrel such that multiple layers of elastomer and texturing particles can be applied to the mandrel and the shield device to form texture layers along only an anterior region of an elastomeric shell. Thereafter, the texture layers of the shell can be partially cured and the texturing particles can be removed from the texture layers to form a first textured surface on the anterior region of the shell. The first textured surface can thus define interconnected pores that extend at least about two to about five pore diameters deep into the shell outer surface.

A tool for laying up composite material to form a workpiece having a target contour is disclosed. The tool includes a support structure including an elongated member having a longitudinal axis, and support plates connected to the elongated member and spaced apart from each other along the longitudinal axis. The elongated member includes a metallic material. The tool also includes a non-metallic backing structure connected to the support plates, the non-metallic backing structure comprising a working surface that includes a backing contour complementary to the target contour.

A tool for laying up composite material to form a workpiece having a target contour is disclosed. The tool includes a support structure including an elongated member having a longitudinal axis, and support plates connected to the elongated member and spaced apart from each other along the longitudinal axis. The elongated member includes a metallic material. The tool also includes a non-metallic backing structure connected to the support plates, the non-metallic backing structure comprising a working surface that includes a backing contour complementary to the target contour.