B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
210/47
B65D 27/00 (2006.01) A61J 1/00 (2006.01) A61J 1/05 (2006.01)
Patent
CA 1268143
CONTAINER AND CLOSURE CONSTRUCTION Abstract of the Disclosure A thin flexible fluid-tight cover of PVC is bonded to a rigid port of a diluent container which is to be subjected to heat sterilization. The cover includes an outer flange for bonding to a complementary surface around the port, and a removable section for spanning the port. The removable section includes a central flexible diaphragm portion and a cylindrical wall portion. The diaphragm portion has at least one annular convolution whereby the diaphragm section is axially expandable by flexing of the convolution. A tear line is provided in a frangible section which joins the cylindrical wall portion to the outer flange. The cylindrical wall portion of the cover is disposed adjacent the outer surfaces of an abutment wall on the port to provide stress relief against rupture of the tear line from stresses generated in the cover during sterilization. A narrow post element is located adjacent the wall portion for concentrating manual pulling forces from an attached pull ring to a limited segment of the tear line.
524369
Larkin Mark E.
Tripp Edward S.
Ziegler John S.
Goudreau Gage Dubuc
Hospira Inc.
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