Glass Container Gravity Shaping for Internal Conformation

The patent replaces the mechanical forming punch system with a gravitational field-based shaping system. By inclining the container at a specific angle (30-60 degrees) during controlled cooling, gravity causes the glass material to flow and conform to the desired internal face shape without requiring physical contact or complex mechanical deformation tools, thereby enabling application to narrow-necked containers.

The patent introduces a temporal dimension to the shaping process by controlling the viscosity evolution of glass during cooling. The container is held at an inclined angle during a specific time window when the glass has intermediate viscosity - fluid enough to flow under gravity but viscous enough to maintain the external face shape. This time-temperature-viscosity control enables shape modification without mechanical contact.

The patent employs a self-service approach where the glass material itself performs the shaping action through controlled gravitational flow. Instead of using external energy sources like pressurized gas, the system utilizes the glass's own weight and viscosity characteristics during cooling to achieve the desired internal face conformation, eliminating the need for additional energy-consuming equipment and simplifying the process.

The patent achieves shape modification by changing the physical parameters of the glass material - specifically controlling temperature and viscosity during cooling. By maintaining the container at an inclined angle during the critical cooling period when viscosity is intermediate, the glass naturally flows to create aesthetic internal patterns without requiring pressurized gas injection, thereby reducing production time and costs.

The patent performs the shaping action preliminarily during the cooling process, before the glass reaches its final solid frozen state. By inclining the container during the intermediate viscosity phase of cooling, the internal face is shaped while the material is still pliable. Once shaping is complete, the glass continues cooling to achieve full structural integrity, thus achieving both aesthetic conformation and strength.

The patent exploits the dynamic viscosity change of glass during cooling to enable shape modification. The container is held at an inclined angle during the specific time window when viscosity transitions from fluid to solid-like. This dynamic approach allows the glass to flow under gravity when needed, then lock into place as it cools further, achieving both aesthetic internal face conformation and structural integrity in sequence.