Method of making lined articles

Claim 1

A method of making lined, hollow plastic articles wherein a parison is formed on a core in a parison mold by molding plastic around a pre-formed plastic liner on the core in a parison mold cavity and wherein the parison is subsequently expanded in a blow mold, the improvement which comprises providing a supply of a web of plastic liner material, providing a holding means including a cutting means adjacent said web, bringing said web into juxtaposition with said core and holding means, forming said liner directly on said core by moving said core relative to the web and holding means to engage the web by the core and holding means and form the liner on the core by the core and holding means, said moving also severing the formed liner from the web by the cutting means, transferring the core with the formed, severed liner thereon for subsequent operations, and feeding the balance of the web for scrap reclamation.

Claim 2

A method of making lined, hollow plastic articles wherein a parison is formed on a core in a parison mold by molding plastic around a pre-formed plastic liner on the core in a parison mold cavity and wherein the parison is subsequently expanded in a blow mold, the improvement which comprises providing a supply of a web of plastic liner material, providing a holding means including a cutting means adjacent said web, bringing said web into juxtaposition with said core and holding means, forming said liner directly on said core by moving said core relative to the web and holding means to engage the web by the core and holding means and form the liner on the core by the core and holding means, said moving also severing the formed liner from the web by the cutting means, transferring the core with the formed, severed liner thereon for subsequent operations, and feeding the balance of the web for scrap reclamation.