Water-resistant composition
AssigneeBose Corporation
InventorsShawn J. Prevoir, Philip Lawrence Smith
Life of this patent
Estimating the term…
Abstract
An example composition includes a cloth, which has on each side thereof, a first waterproofing agent, a barrier which inhibits or prevents environmental degradation, and an elastomeric barrier including a second waterproofing agent. Another example composition includes a cloth with a phenolic resin coating having, on each side thereof, a first waterproofing agent, a barrier which inhibits or prevents environmental degradation, and an elastomeric barrier including a second waterproofing agent.
Claims20
An apparatus comprising a speaker component, wherein the speaker component is a surround and the surround is made from a composition comprising:
- a cloth treated with a stiffening agent comprising about 0.1-3 wt % of the composition;
- and
- a series of layers on each side of the cloth applied in the following order:
- a first layer comprising a first waterproofing agent;
- a second layer comprising a barrier which inhibits or prevents environmental degradation, wherein the barrier is an acrylic rubber and the acrylic rubber comprises greater than about 50 wt % of acrylic polymer;
- and
- a third layer comprising an elastomeric barrier comprising a second waterproofing agent.
An apparatus comprising a speaker component, wherein the speaker component is a surround and the surround is made from a composition comprising:
- a cloth treated with a phenolic resin coating;
- and
- a series of layers on each side of the cloth applied in the following order:
- a first layer comprising a first fluoropolymer,
- a second layer comprising acrylic rubber, wherein the acrylic rubber comprises greater than about 50 wt % of acrylic polymer, and
- a third layer comprising a mixture comprising SBR, NBR, and a second fluoropolymer.
Dependencies are inferred from the claim text.