Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Plastic closure with compression molded layered barrier liner










Image Number 3 for United States Patent #6660349.

A plastic closure includes a closure shell having a base wall, a peripheral skirt with an internal thread for securing the closure to a container finish, and an annular lip extending from the closure skirt adjacent to the base wall and defining an inside lip surface at an acute angle to the closure base wall. A liner is compression molded in situ onto the base wall and peripherally within the lip. The liner has a liner base portion extending along the base wall and a peripheral portion extending along the inside surface of the lip. The liner has an interior surface--i.e., facing away from the shell base wall and skirt--that has a first flat axially facing portion on the base portion of the liner adjacent to the peripheral portion, an inwardly concave portion where the base portion blends into the peripheral portion of the liner, a second flat axially facing portion at an edge of the peripheral portion of the liner, and a conical portion that extends from a radially outer edge of the second flat portion to the inside surface of the lip. Provision of the second flat axially facing surface portion at the periphery of the liner has been found to reduce tearing of the liner and separation of layers in the liner when the liner is of layered construction.








 
 
  Recently Added Patents
Piano keyboard with key touch point detection
Sports helmet
Multi-function wrench for a power tool
Probiotic enriched and low organic acid food products
Transcription factor
Translation system adapted for query translation via a reranking framework
Area reduction for surface mount package chips
  Randomly Featured Patents
IC chip, IC assembly, liquid crystal device, and electric apparatus
Steering wheel assembly with self-docking connector
Transaction apparatus, systems and methods
Method and computer program product for implementing text conversion table compression
Multi-port cable for removable ESD/EOD protection for electronic devices
Image correction according to transmission characteristics of image sensing optical system
Message sign with changeable display
Fishing accessory method of securing a lure to a fishing hook, and method of attaching a body to a fishing line
Paper-stopping mechanism of automatic document feeder
Intelligent color remapping of video data