← Back to Patent Explorer
US2955972A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming padded articles

Assignee: Meritor Inc
•
Filing: 1957-04-29
•
Granted: 1960-10-11
•
Expires: 1977-04-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Glenn E Wintermute
  • 👤 Harry W Carmichael

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 06:23
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/14; B29C44/146; B29L; B29L2031/00; B29L2031/58; B29L2031/751; Y; Y10; Y10S; Y10S264/00; Y10S264/78; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034; Y10T29/00; Y10T29/48; Y10T29/481

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 194 words
IN A METHOD OF MAKING A LAMINATED, FOAM-ELASTOMER PADDED ARTICLE, THE STEPS OF POSITIONING A SHEET OF FLEXIBLE PAD-COVEING MATERIAL OVER A DIE-CAVITY HAVING THE FORM OF THE PAD TO BE PRODUCED WITH THE MARGINS OF SAID MATERIAL DISPOSED OVER A DIE FACE BEYOND THE MARGINS OF THE DIE CAVITY, CLAMPING SAID PAD-COVERING MATERIAL IN FIXED POSITION THEREON, HEATING SAID DIE TO INCREASE THE FLEXIBILITY OF SAID MATERIAL AND EXHAUSTING THE DIE-CAVITY WHILE IN HEATED CONDITION TO CAUSE THE PORTION OF SAID MATERIAL OVERLYING THE DIE-CAVITY TO BE DISTENED THEREINTO AGAINST THE CAVITY WALLS TO FORM A POCKET, SUPPORTING A FLAT, ADHESIVE COATED RIGID PANEL ON SAID DIE AGAINST THE MARGINS OF SAID SKIN INTRODUCING A FOAM-ELASTOMER COMPOSITION INTO SAID POCKET, AND CURING SAID COMPOSITION INTO FOAMED CONDITION WHILE MAINTAINING A VACUUM ON THE CAVITY TO RETAIN THE PAD-COVERING MATERIAL TENDED CONDITION, SAID PANEL AND PAD-COVERING MATERIAL BEING BONDED TOGETHER ALONG THEIR MARGINAL EDGES PRIOR TO THE COMPLETION OF THE CURING OPERATION, AND THE FOAMELASTOMER BEING BONDED TO THE OPPOSED FACES OF THE PANEL AND PAD-COVERING MATERIAL, SAID SKIN BEING RETAINED IN A FIXED SUPPORTED POSITION IN THE DIE CAVITY DURING THE CURING STEP.
Claim 2
Dependent Claim 194 words
IN A METHOD OF MAKING A LAMINATED, FOAM-ELASTOMER PADDED ARTICLE, THE STEPS OF POSITIONING A SHEET OF FLEXIBLE PAD-COVEING MATERIAL OVER A DIE-CAVITY HAVING THE FORM OF THE PAD TO BE PRODUCED WITH THE MARGINS OF SAID MATERIAL DISPOSED OVER A DIE FACE BEYOND THE MARGINS OF THE DIE CAVITY, CLAMPING SAID PAD-COVERING MATERIAL IN FIXED POSITION THEREON, HEATING SAID DIE TO INCREASE THE FLEXIBILITY OF SAID MATERIAL AND EXHAUSTING THE DIE-CAVITY WHILE IN HEATED CONDITION TO CAUSE THE PORTION OF SAID MATERIAL OVERLYING THE DIE-CAVITY TO BE DISTENED THEREINTO AGAINST THE CAVITY WALLS TO FORM A POCKET, SUPPORTING A FLAT, ADHESIVE COATED RIGID PANEL ON SAID DIE AGAINST THE MARGINS OF SAID SKIN INTRODUCING A FOAM-ELASTOMER COMPOSITION INTO SAID POCKET, AND CURING SAID COMPOSITION INTO FOAMED CONDITION WHILE MAINTAINING A VACUUM ON THE CAVITY TO RETAIN THE PAD-COVERING MATERIAL TENDED CONDITION, SAID PANEL AND PAD-COVERING MATERIAL BEING BONDED TOGETHER ALONG THEIR MARGINAL EDGES PRIOR TO THE COMPLETION OF THE CURING OPERATION, AND THE FOAMELASTOMER BEING BONDED TO THE OPPOSED FACES OF THE PANEL AND PAD-COVERING MATERIAL, SAID SKIN BEING RETAINED IN A FIXED SUPPORTED POSITION IN THE DIE CAVITY DURING THE CURING STEP.

References Cited (Backward Citations)

US1565582A Cited
US2338490A Cited
US2299908A Cited
US2785440A Cited
US2753642A Cited
US2801199A Cited
US2878524A Cited
US2771612A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-10-11 1964-04-11 1964-10-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-10-11 1968-04-11 1968-10-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-10-11 1972-04-11 1972-10-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag