Patent application number | Description | Published |
20100300460 | EARPLUG - An earplug is provided and includes a tip for use in forward and lateral sealing, which is formed to define a rearward recessed cavity, and a stem. The stem includes a user graspable elongate portion configured with a stiffness in a first direction that is greater than a stiffness in a second direction, which is transverse to the first direction, and a member, disposed at a forward end of the elongate portion and configured to be insertable into the cavity, the member including a surface to be adhered to an interior facing surface of the cavity and on which a channel is defined to allow for outflow from the cavity, and the member being formed with a shape to complement that of the cavity to axially and circumferentially align the tip and the stem. | 12-02-2010 |
20120104014 | DISPENSER WITH WASTE COLLECTION SPOOL, AND METHOD OF USING - Herein are disclosed methods for liberating one or more packaged devices from a packaging web, and a dispenser for performing such methods. The packaging web is separated into first and second waste webs which are co-wound onto a common collection spool. | 05-03-2012 |
20130019880 | EARPLUG - An earplug is provided and includes a tip for use in forward and lateral sealing, which is formed to define a rearward recessed cavity, and a stem. The stem includes a user graspable elongate portion configured with a stiffness in a first direction that is greater than a stiffness in a second direction, which is transverse to the first direction, and a member, disposed at a forward end of the elongate portion and configured to be insertable into the cavity, the member including a surface to be adhered to an interior facing surface of the cavity and on which a channel is defined to allow for outflow from the cavity, and the member being formed with a shape to complement that of the cavity to axially and circumferentially align the tip and the stem. | 01-24-2013 |
20140014121 | PUSH-IN EARPLUG - A push-in earplug including an elongate core and outer layer is disclosed. The outer layer includes a sound attenuating portion having a first average density and a stem portion having a second average density, and the second average density is greater than the first average density. | 01-16-2014 |
20140015157 | METHOD OF MAKING AN EARPLUG - A method of making personal protective equipment, such as a push-in earplug, is disclosed. The method includes the steps of covering a substrate with an outer layer that includes an unactivated foaming agent, positioning at least a portion of the outer layer in a mold, and activating the foaming agent such that a portion of the outer layer expands. | 01-16-2014 |
20140017492 | FOAMABLE ARTICLE - A foamable article is disclosed. The article includes a substrate and an outer layer covering at least a portion of the substrate and including an unactivated expandable sphere foaming agent and an unactivated chemical foaming agent. The unactivated foaming agents may be activated to increase the volume of the outer layer. | 01-16-2014 |
20140230830 | EARPLUG WITH TIP CAVITY AND METHODS OF MANUFACTURING THE SAME - Hearing protection devices, e.g., push-to-fit earplugs, having a tip cavity in the sound attenuating body and methods of manufacturing the hearing protection devices are described herein. | 08-21-2014 |
20150137406 | Method Of Making A Personal Protective Article - A method of making personal protective equipment, such as a push-in earplug, is disclosed. The method includes the steps of covering a substrate with an outer layer that includes an unactivated foaming agent, positioning at least a portion of the outer layer in a mold, and activating the foaming agent such that a portion of the outer layer expands. | 05-21-2015 |