Claims
- 1. A method of making a large tire including preparing for said tire a carcass having a tread receiving region symmetrical with respect to a mid-circumferential centerline of said carcass, shaping the uncured tire carcass to toroidal form and molding and curing said carcass in a curing mold means having two mold members and a third mold member removably disposable coaxially and symmetrically between said first two members; positioning said third member remotely from said curing mold means and coaxially of said carcass shaping means and symmetrically with respect to the mid-circumferential centerline of said carcass, shaping said carcass to engage said third member by a pressure within said carcass sufficient to maintain said third member and said carcass securely engaged to one another, transporting said third member and the carcass therein together to said molding and curing means, placing said third member with said carcass therein in coaxial registry with one of said two mold members and thereby locating the mid-circumferential centerline of said carcass in the mid-circumferential plane of said curing mold means, placing the other of said two mold members in mold closing relation with said one mold member, and thereafter completing the molding and curing of said carcass.
- 2. Method as claimed in claim 1, further comprising positioning said third member symmetrically with respect to said mid-circumferential line of said carcass by visually aligning the mid-circumferential line of said third member with the mid-circumferential centerline of said carcass by means of peepholes formed in said third member and closing said peepholes by plug means after said carcass and said third member are securely united.
- 3. Method as claimed in claim 1, further comprising subsequently to said molding and curing of the carcass, permitting said carcass to shrink sufficiently then removing said third member from engagement with said carcass.
Parent Case Info
This is a division, of application Ser. No. 845,512 filed Oct. 26, 1977 now U.S. Pat. No. 4,147,482, which in turn is a continuation-in-part of a prior copending application Ser. No. 738,493, filed Nov. 4, 1976 now abandoned.
US Referenced Citations (7)
Divisions (1)
|
Number |
Date |
Country |
Parent |
845512 |
Oct 1977 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
738493 |
Nov 1976 |
|