EP0376593A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Plastic bumper
Assignee: Minoru Industrial Co Ltd
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Filing: 1989-12-19
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Granted: —
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Expires: 2009-12-19
Abstract
Abstract A plastic bumper (1) for use in an automobile includes a front wall member (2) having a generally U-shape cross-section, and a rear wall member (3) having a mid portion intermittently indented to form a plurality of pyramid frustum-shaped recesses (4). An outer end face of each pyramid frustum recess (4) is adhered to an inside face of said front wall member (2). Thus, the bumper (1) is reinforced with respect to vertical and horizontal impacts.
Inventors
- 👤 Naoshige Fukuhara
- 👤 Takaaki Tachibana
- 👤 Kunio Hanafusa
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 22:40
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/4802; B60; B60R; B60R19/00; B60R19/02; B60R19/18; B29C2049/4805; B29C2049/4807; B29C49/4812; B29L; B29L2031/00; B29L2031/30; B29L2031/3044; B60R2019/1806; B60R2019/1833; B60R2019/184
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
62 words
A plastic bumper for use in an automobile comprising: a front wall member generally having a U-shape cross-section; and a rear wall member having a mid portion intermittently indented to form a plurality of recesses each having a shape of pyramid frustum, an outer end face of each pyramid frustum recess being adhered to an inside face of said front wall member.
Claim 2
Dependent Claim
62 words
A plastic bumper for use in an automobile comprising: a front wall member generally having a U-shape cross-section; and a rear wall member having a mid portion intermittently indented to form a plurality of recesses each having a shape of pyramid frustum, an outer end face of each pyramid frustum recess being adhered to an inside face of said front wall member.
Claim 3
Dependent Claim
24 words
A plastic bumper as claimed in Claim 1, wherein said front wall member and said rear wall member are formed integrally by blow molding.
Claim 4
Dependent Claim
24 words
A plastic bumper as claimed in Claim 1, further comprising a plate rib extending between outer side faces of the neighboring pyramid frustums recesses.
Claim 5
Dependent Claim
27 words
A plastic bumper as claimed in Claim 3, wherein said front wall member, said rear wall member and said plate ribs are formed integrally by blow molding.
Claim 6
Dependent Claim
46 words
A plastic bumper for use in an automobile comprising: a front wall member generally having a U-shape cross-section; and a rear wall member having a plurality of supporting tubes extending from a surface of said rear wall member and plate ribs extending between neighboring supporting tubes.
Claim 7
Dependent Claim
46 words
A plastic bumper for use in an automobile comprising: a front wall member generally having a U-shape cross-section; and a rear wall member having a plurality of supporting tubes extending from a surface of said rear wall member and plate ribs extending between neighboring supporting tubes.
Claim 8
Dependent Claim
18 words
A plastic bumper as claimed in Claim 5, wherein said plate ribs extend horizontally between said supporting tubes.
Claim 9
Dependent Claim
19 words
A plastic bumper as claimed in Claim 6, wherein said plate ribs further extend vertically between said supporting tubes.
Claim 10
Dependent Claim
24 words
A plastic bumper as claimed in Claim 5, wherein said front wall member and said rear wall member are formed integrally by blow molding.
Claim 11
Dependent Claim
12 words
The features herein described, or their equivalents, in any patentably novel selection.
Claim 12
Dependent Claim
12 words
The features herein described, or their equivalents, in any patentably novel selection.
References Cited (Backward Citations)
No citation records indexed.
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