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2. Design of plastic components - Wikipedia

   en.wikipedia.org/wiki/Design_of_plastic_components

   Draft angle design is an important factor when designing plastic parts. Because of shrinkage of plastic material, injection molded parts have a tendency to shrink onto a core. This creates higher contact pressure on the core surface and increases friction between the core and the part, thus making ejection of the part from the mold difficult.

3. Living hinge - Wikipedia

   en.wikipedia.org/wiki/Living_hinge

   Plastic living hinges are typically manufactured in an injection molding operation [2] [3] that creates all three parts at one time as a single piece, and if correctly designed and constructed, it can remain functional over the life of the part. Thermoforming can also produce hinged products.

4. Clamshell (container) - Wikipedia

   en.wikipedia.org/wiki/Clamshell_(container)

   Empty clamshell package Clamshell pack of screws Paperboard clamshell for fast food PETE plastic egg carton for 24 eggs. A clamshell is a one-piece container consisting of two halves joined by a hinge area which allows the structure to come together to close. Clamshells can be made to be reusable and reclosable [1] or can be sealed securely.

5. Mount maker - Wikipedia

   en.wikipedia.org/wiki/Mount_maker

   Ornamental gold mounts. The primary responsibility of a mount maker is to provide safe and stable structural supports (also called mounts, brackets, or armatures) for a wide variety of cultural materials such as furniture, ceramics, paintings, sculptures, clothing, jewelry, aircraft, and machinery to be placed in storage, transported to another location, or for exhibition.

6. Package cushioning - Wikipedia

   en.wikipedia.org/wiki/Package_cushioning

   Molded pulp Pulp can be molded into shapes suitable for cushioning and for immobilizing products in a package. Molded pulp is made from recycled newsprint and is recyclable. Inflated products Bubble wrap consists of sheets of plastic film with enclosed “bubbles” of air. These sheets can be layered or wrapped around items to be shipped.

7. Sterilite - Wikipedia

   en.wikipedia.org/wiki/Sterilite

   The company later expanded operations to produce toys, storage tools, giftware, and other plastic items. [3] The company relocated to nearby Townsend, Massachusetts in 1968. [4] By the mid-1970s, it was one of the largest independent manufacturers of private household plastic goods in the United States. [5]