Port structure of containment apparatus, kit for creating port of containment apparatus, and containment apparatus
AssigneeNara Machinery Co., Ltd.
InventorKenichi Arizono
Life of this patent
Estimating the term…
Abstract
A port structure of a containment apparatus is capable of providing a highly reliable port by means of a structure with which a port can be formed in any size at any position and high airtightness thereof can be maintained. The port structure has: a port formation hole that is formed in a transparent synthetic resin sheet defining at least a part of a chamber; an inner ring member disposed on the inner surface side of the port formation hole; an outer ring member disposed on the outer surface side of the port formation hole; and a fastening member that joins the inner ring member and the outer ring member to each other while having a rim portion of the port formation hole held therebetween.
Claims6
A port structure of a containment apparatus, comprising:
- a transparent synthetic resin sheet forming a port formation hole therein and defining at least a part of a chamber;
- an inner ring member disposed on an inner surface side of the port formation hole;
- an outer ring member disposed on an outer surface side of the port formation hole;
- and
- a fastening member that joins the inner ring member and the outer ring member to each other in a state holding a rim portion of the port formation hole therebetween, wherein:
- a plurality of grooves into which an O-ring is tightly fitted are formed in an outer peripheral surface of the outer ring member,
- a width of an inner annular groove of the plurality of grooves is more than twice as great as a width of an outer annular groove of the plurality of grooves, and
- a recessed groove into which a retainer ring is fitted is formed in an inner peripheral surface of the inner ring member.
Dependencies are inferred from the claim text.