Deterioration indicator and a product having the same
AssigneeRicoh Company, Ltd.
InventorToshiro Sahashi
Life of this patent
Estimating the term…
Abstract
A deterioration indicator for a resin mold member in a product includes a deteriorating state checking portion configured to allow evaluation of a deterioration state of the resin mold member. The deteriorating state checking portion includes a material whose weather resistance value, ΔE, is less than a weather resistance value, ΔE, of the resin mold member.
Claims22
A deterioration indicator for a resin mold member in a product, comprising a deteriorating state checking portion configured to allow visible evaluation of a deterioration state of the resin mold member, said deteriorating state checking portion including a material whose weather resistance value, ΔE, is less than a weather resistance value, ΔE, of the resin mold member,
- wherein the deteriorating state checking portion is provided in an installing hole formed in the resin mold member for installing a peripheral product to the product.
A method of checking a deteriorating state of a resin member in a product, comprising the steps of:
- providing a deteriorating state checking portion configured to allow visible evaluation of a deteriorating state of the resin member, the deteriorating state checking portion including a material whose weather resistance value, ΔE, is smaller than a weather resistance value, ΔE, of the resin mold member;
- and
- visibly evaluating the deteriorating state of the resin member by checking the deteriorating state checking portion,
- wherein the step of providing the deteriorating state checking portion comprises providing the deteriorating state checking portion in an installing hole formed in the resin mold member for installing a peripheral product to the product.
A method of recycling a product having a resin mold material, comprising:
- providing a deteriorating state checking portion including a material whose weather resistance value, ΔE, is smaller than a weather resistance value, ΔE, of the resin mold material;
- visibly checking a deteriorating state of the deteriorating state checking portion;
- and
- replacing the deteriorating state checking portion of the product with a new deteriorating state checking portion when the product is recycled,
- wherein the step of providing a deteriorating state checking portion comprises providing the deteriorating state checking portion in an installing hole formed in the resin mold member for installing a peripheral product to the product.
Dependencies are inferred from the claim text.