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Class 53/478 - Separate closure


Subclass of Class 53 - Package making
Definition: Methods in which the closure element is independent of the
No. of patents: 250
Last issue date: 09/13/2011


            7  
NumberTitleIssue Date
4065908Method and apparatus for sealing tamper-indicating tabs to a container sidewall
A container with a heat-securable tamper-indicating wax-coated closure sheet is disclosed herein, along with the methods and apparatus for making same. The container comprises a base with a sidewall extending upwardly from the periphery of the base and de...
01/03/1978
4060958Method of manufacturing a packaging container
A packaging container for eggs or the like is constituted by a bottom section made of foamed plastic sheet material and provided with a flange at its periphery, and a top section made of non-foamed plastic sheet material and provided with a flange at its ...
12/06/1977
4046610Fluid product reservoir and method
A fluid product reservoir to store a fluid product as for use in a pressurized spray system of the type concurrently discharging a gas and a spray product. The reservoir is leak-proof, economic to manufacture, and minimizes pressure fluctuation upon the d...
09/06/1977
4022324Sealed container for storing medical and/or bio-medical articles in sterile condition and having removable cover
A container is disclosed including a relatively rigid tray sealed by a removable cover comprising a pair of plastic, bacteria-impermeable panels defining a generally linear passage for the introduction of sterilizing vapor for sterilizing the contents of ...
05/10/1977
3973719Container having a membrane-type closure
A container assembly is provided which comprises a composite tubular body having an outwardly rolled top rim which body has an asymmetrically tabbed membrane-type closure sealingly secured to the rolled rim so that the peripheral section of the closure co...
08/10/1976
3974008Method of making a frangible closure system for medical liquid container
A thermoplastic cap having an annular skirt with external left-handed screw threads thereon and a lateral external frangible brim at a lower end of this cap. The cap fits over a dispensing outlet of a thermoplastic bottle and the brim is precision fused t...
08/10/1976
3971188Apparatus and method for applying lids to containers
Lids are held to a movable carrier by a vacuum during lid feeding movement of the carrier to a lidding position and are separated from the carrier to a lidding position and are separated from the carrier at such lidding position for securement against the...
07/27/1976
3968823Lid for a container and a method for sealing the lid on a container
A continuous electrically conductive ring is applied to the top of a lid which is used for covering a container opening. The lid is then placed on the opening of the container and current is placed in the conductive ring. The current in the conductive rin...
07/13/1976
3962844Process for forming and applying a hermetic, heat sealed closure
A process for providing a hermetic, heat-sealed closure for a filled, thermoplastic or thermoplastic coated container by the steps of: providing a continuous web of a thermoplastic material, having a temperature within the drooping and heat-sealing ranges...
06/15/1976
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