US2009113851A1PendingUtilityA1

Packaging seal plate having a shaped face

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Individually held — no corporate assignee on recordPriority: Oct 31, 2007Filed: Oct 29, 2008Published: May 7, 2009
Est. expiryOct 31, 2027(~1.3 yrs left)· nominal 20-yr term from priority
Inventors:Stephen N. CarrJames Shay FoleyKent M. GrotheRoland SchmiederCharles Henry Walton, Iv
B29C 65/18B65B 51/14B29L 2011/0041B29C 66/81433B29C 66/244B29K 2705/00B29K 2905/02B65B 25/008B29K 2905/06B29K 2995/0069B65B 7/164B29C 66/8122B29C 66/81422B29C 66/131B29C 66/849B29C 66/112B29C 66/81415B29C 66/81427B29C 66/81435B29C 66/232B29C 66/53461B29L 2031/7164B29C 66/7373B29K 2905/12B29C 66/72343B29C 66/242B29K 2905/10B29C 66/8167B65B 7/2878B29C 65/76B65D 2585/545
48
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Claims

Abstract

A seal plate for use in sealing ophthalmic lens blister packages having a laminate foil cover and plastic shell for containing an ophthalmic lens and lens solution therein, the seal plate including a heated plate body and sealing face. The sealing face protrudes from the plate body and has an irregular shape. The sealing face further engages the laminate foil cover and displaces moisture present between the foil cover and plastic bowl body to induce a heat seal therebetween.

Claims

exact text as granted — not AI-modified
1 . A seal plate for use in sealing ophthalmic lens blister packages, the seal plate comprising:
 a plate body; and   a sealing face protruding from the plate body, the sealing face having a radiused profile for engaging and sealing the blister packages.   
     
     
         2 . A seal plate for use in sealing ophthalmic lens blister packages having a laminate foil cover and plastic shell defining a bowl for containing an ophthalmic lens and lens solution therein, the seal plate comprising:
 a heated plate body; and   a sealing face protruding from the plate body, the sealing face having an irregular shape;   wherein the sealing face engages the laminate foil cover and displaces moisture present between the laminate foil cover and the plastic shell in a sealing area around the bowl to induce a heat seal therebetween.   
     
     
         3 . The seal plate of  claim 2 , wherein the irregular shape is radiused. 
     
     
         4 . The seal plate of  claim 2 , wherein the irregular shape is angled. 
     
     
         5 . The seal plate of  claim 2 , wherein the irregular shape comprises multiple tiers. 
     
     
         6 . The seal plate of  claim 2 , wherein the irregular shape comprises a cross-hatched grid. 
     
     
         7 . The seal plate of  claim 2 , wherein the irregular shape includes a plurality of recesses in the sealing face. 
     
     
         8 . The seal plate of  claim 2 , wherein the irregular shape includes tracks extending from the face. 
     
     
         9 . The seal plate of  claim 8 , wherein the tracks form channels therebetween. 
     
     
         10 . The seal plate of  claim 2 , wherein the face is chamfered.

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