B29C41/06

Hollow tire and method of making same

A tire comprising a continuous channel defined by spaced apart sidewalls coupled at a first end to a bridging member and at a second end to a contact member that is coupled to a disc contact portion, said tire being formed by rotational molding of a polyurethane and configured for mounting on a wheel rim.

Hollow tire and method of making same

A tire comprising a continuous channel defined by spaced apart sidewalls coupled at a first end to a bridging member and at a second end to a contact member that is coupled to a disc contact portion, said tire being formed by rotational molding of a polyurethane and configured for mounting on a wheel rim.

Rotational molding method and apparatus

The present invention refers to a process and apparatus for manufacturing plastic articles through the rotational molding method, and is more particularly addressed to a process and apparatus of rotomolding in furnace for manufacturing containers with multiple layers. The apparatus of the present invention uses a series of bins for the introduction of the materials to be molten on the molds, which are controlled by a computerized control panel.

Rotational molding method and apparatus

The present invention refers to a process and apparatus for manufacturing plastic articles through the rotational molding method, and is more particularly addressed to a process and apparatus of rotomolding in furnace for manufacturing containers with multiple layers. The apparatus of the present invention uses a series of bins for the introduction of the materials to be molten on the molds, which are controlled by a computerized control panel.

Rotomolding compositions with low relative elasticity

High density polyethylene compositions having a high flow index and a bimodal composition provides an outstanding combination of processability, stiffness and ductility in rotomolded articles. The compositions have a low relative elasticity (G/G, measured at 0.05 rad/sec) of less than 0.03.

Rotomolding compositions with low relative elasticity

High density polyethylene compositions having a high flow index and a bimodal composition provides an outstanding combination of processability, stiffness and ductility in rotomolded articles. The compositions have a low relative elasticity (G/G, measured at 0.05 rad/sec) of less than 0.03.

Molded multi-part polymer structural plastic building assembly system for land and water
12385246 · 2025-08-12 ·

A building assembly system that comprises thermoformed high density polyethylene molded components filled with high density polyurethane foam. The molded components are configured in a cube or triangle form and secured against a steel frame to provide a habitable constructed unit. The composition of the high density polyethylene molded components filled with high density polyurethane foam meets standards for the American Society for Testing and Materials for a habitable structure used by humans. The habitable structure can be used on land or water.

Molded multi-part polymer structural plastic building assembly system for land and water
12385246 · 2025-08-12 ·

A building assembly system that comprises thermoformed high density polyethylene molded components filled with high density polyurethane foam. The molded components are configured in a cube or triangle form and secured against a steel frame to provide a habitable constructed unit. The composition of the high density polyethylene molded components filled with high density polyurethane foam meets standards for the American Society for Testing and Materials for a habitable structure used by humans. The habitable structure can be used on land or water.

Molded Multi-Part Polymer Structural Plastic Building Assembly System For Land and Water
20250361714 · 2025-11-27 ·

A building assembly system that comprises thermoformed high density polyethylene molded components filled with high density polyurethane foam. The molded components are configured in a cube or triangle form and secured against a steel frame to provide a habitable constructed unit. The composition of the high density polyethylene molded components filled with high density polyurethane foam meets standards for the American Society for Testing and Materials for a habitable structure used by humans. The habitable structure can be used on land or water.

Molded Multi-Part Polymer Structural Plastic Building Assembly System For Land and Water
20250361714 · 2025-11-27 ·

A building assembly system that comprises thermoformed high density polyethylene molded components filled with high density polyurethane foam. The molded components are configured in a cube or triangle form and secured against a steel frame to provide a habitable constructed unit. The composition of the high density polyethylene molded components filled with high density polyurethane foam meets standards for the American Society for Testing and Materials for a habitable structure used by humans. The habitable structure can be used on land or water.