公开(公告)号：US3552341A

公开(公告)日：1971-01-05

申请号：US3552341D

申请日：1968-08-01

Applicant: STANRAY CORP

Inventor： LANNIN WILLIAM W

IPC: B21D47/04 ,  B21D53/00 ,  B21D28/08

CPC classification number: B21D53/00 ,  B21D47/04 ,  Y10T29/49796

Abstract: A method for forming a freight vehicle roof hatch assembly including a circular hatch frame formed integral with a roof sheet and a hatch cover formed from a cutout defining the hatch frame opening. The roof sheet is drawn or stretched into an annular raised section at the location at which the hatch frame is desired. The annular raised section is cut to remove a substantially dish-shaped section so that an opening bounded by an upstanding wall remains on the roof sheet. The upstanding wall is thereafter reformed to a substantially conical configuration of which the end is formed with an outwardly curled lip. The dish-shaped section is reformed into a circular hatch cover having a depending flange seatable about the curled lip.

公开(公告)号：US3927548A

公开(公告)日：1975-12-23

申请号：US42937773

申请日：1973-12-28

Applicant: STANRAY CORP

Inventor： LANNIN WILLIAM W

IPC: B21D5/01 ,  B21D11/20 ,  B21D37/06

CPC classification number: B21D5/01 ,  B21D11/20

Abstract: Apparatus for forming an arched and corrugated roof sheet having a horizontal central section and two downwardly inclined sections extending from each end of the central section to the ends of the sheet. The arched roof is formed from a flat sheet having corrugations formed therein. The corrugated flat sheet is formed into an arch by bending each end margin of the sheet into two downwardly inclined sections relative to each other.

Abstract translation: 用于形成具有水平中心部分和从中心部分的每个端部延伸到片材的端部的两个向下倾斜部分的拱形和波纹屋顶板的装置。 拱形屋顶由其中形成有波纹的平板形成。 通过将片材的每个端部边缘相对于彼此弯曲成两个向下倾斜的部分将波纹状平板片形成为拱形。

公开(公告)号：US3575122A

公开(公告)日：1971-04-13

申请号：US3575122D

申请日：1968-07-03

Applicant: STANRAY CORP

Inventor： BROSSART JOHN A JR ,  LANNIN WILLIAM W

IPC: B21D51/44 ,  B21D53/00 ,  B65D43/04 ,  B21D51/40

CPC classification number: B21D51/44 ,  B21D53/00

Abstract: Methods for forming hatch frames integral with a roof sheet for a car or container. In one embodiment the hatch frame is constructed so that the cutout portion forming the hatch opening is used to provide a hatch cover. Another embodiment includes the formation of a hatch frame and cover member, simultaneously with corrugations in the roof sheet.