Patent ID: 11952174
Assignee: CONFORMER EXPANSION PRODUCTS, INC.
Field: Handling (Mechanical engineering)
Classification: CPC B  A | IPC B

Claim 4:
5. A flexible insert for a flat-sized flexible envelope, said insert comprising
a main section having a pair of substantially rectangular components and a fold line between said rectangular components;
a first spacer integral with one of said rectangular components and having three sections disposed in folded over relation to each other and in contact with said one of said rectangular components,
a second spacer integral with the other of said rectangular components and having three sections disposed in folded over relation to each other and in contact with said other of said rectangular components, and
a third spacer integral with said other of said rectangular components and having three sections disposed in folded over relation to each other and in contact with said other of said rectangular components in spaced relation to said second spacer.