Paste supply apparatus, screen printing apparatus, paste supply method and screen printing method

A screen printing apparatus comprising:

• a mask;
• a paste supply apparatus that supplies paste to the mask;
• and
• a squeegee that slides on the mask,
• wherein the paste supply apparatus comprises:
• a pot holding part that holds a paste pot that includes a tubular container which receives paste and is provided with a through hole in a bottom part of the tubular container, and an inner lid movable inside the tubular container, in a posture in which the paste can be extruded downwardly from the through hole;
• an extrusion member configured to hold the inner lid of the paste pot held in the pot holding part;
• an inner lid holding part with which the inner lid is held in the extrusion member;
• an extrusion member elevation part that upwardly and downwardly moves the extrusion member;
• a stopper with which the container upwardly moved together with the inner lid collides when the extrusion member holding the inner lid is pulled up by the extrusion member elevation part;
• and
• a base member provided with a bracket,
• wherein the pot holding part is provided in the base member,
• the extrusion member elevation part is provided on the bracket, and
• at a lower end of the bracket, the stopper is provided.