Bottom Fill Espresso Cartridge and Tools and Methods for Constructing an Espresso Cartridge Therefrom

A. method for constructing an espresso cartridge, the method comprising:

• inserting a frustoconical shaped cartridge base into a cartridge holder, an open cartridge base bottom first into the cartridge holder, the cartridge base bottom diameter smaller than a cartridge base top opposite to the cartridge base bottom;
• closing a lid to retain the cartridge base in the cartridge holder;
• scooping a portion of untamped brewing material through a holder mouth and the smaller cartridge base bottom of the cartridge;
• leveling the untamped brewing material in the holder mouth and cartridge base;
• pressing a tamping plunger through the holder mouth and into the cartridge holder;
• tamping the untamped brewing material completely into the cartridge base;
• withdrawing the tamper piston from the holder mouth;
• placing a bottom plug into the holder mouth and against the smaller cartridge base bottom of the cartridge base;
• seating the bottom plug in the smaller base bottom of the cartridge;
• and
• removing the finished cartridge from the cartridge holder.

A method for constructing an espresso cartridge, the method comprising:

• placing a frustoconical shaped brewing cartridge base onto a cartridge seat of a tool base, a closed cartridge base top against the cartridge seat, the cartridge base top having a larger diameter than an open cartridge base bottom opposite the cartridge base top;
• attaching a cartridge lock to the tool base to retain the cartridge base against the tool base;
• scooping a portion of brewing material;
• pouring the brewing material through a mouth of the cartridge lock and the open bottom end of the cartridge base, into the cartridge base;
• tamping the untamped brewing material into the cartridge base;
• placing a bottom plug into the cartridge holder against the small end of the cartridge;
• seating the bottom plug into the cartridge base;
• and
• removing the finished cartridge from the tool.